• By collating ultrasound and non-ultrasound data from multiple datasets, we were able to estimate gestational age and preterm birth rates for 2,564 newborns. (kiglobalhealth.org)
  • The study authors noted, however, that it is often difficult to assess gestational age. (nih.gov)
  • There are multiple ways to assess gestational age, including LMP, clinical examination of uterine size, and ultrasound. (ipas.org)
  • The use of LMP, alone or in combination with a validated tool such as a pregnancy dating wheel or checklist, enables individuals to self-assess gestational age (World Health Organization [WHO], 2022). (ipas.org)
  • Armed with a pocket-sized Butterfly probe and a smartphone, a Zambian midwife with no prior training in sonography can assess gestational age as accurately as a certified sonographer using an expensive machine. (dotmed.com)
  • With better information about gestational age, health workers can take steps during pregnancy, during labor, and after birth to make sure babies stay alive and healthy. (kiglobalhealth.org)
  • Early ultrasound measurement of crown-rump length provides a reliable estimate of gestational age, but later in pregnancy, fetuses tend to vary more in size, and so crown-rump length provides a less reliable estimate. (kiglobalhealth.org)
  • In these countries, gestational age is usually measured during pregnancy based on late ultrasound or on the date of the last menstrual period. (kiglobalhealth.org)
  • Our analysis of the data showed that taking additional ultrasound measurements-not just crown-rump length but also, for example, femur length and head circumference-improved gestational age estimates based on ultrasounds performed later in pregnancy. (kiglobalhealth.org)
  • Accuracy of Serum Human Chorionic Gonadotrophin for Estimating Gestational Age in the First Trimester of Pregnancy: Population-Based Study. (bvsalud.org)
  • If the gestational age as calculated from an early ultrasound is contradictory to the one calculated directly from the last menstrual period, it is still the one from the early ultrasound that is used for the rest of the pregnancy. (wikipedia.org)
  • Naegele's rule is a standard way of calculating the due date for a pregnancy when assuming a gestational age of 280 days at childbirth. (wikipedia.org)
  • A longitudinal study following pregnant women until 9 months postpartum found a high prevalence of OCD during pregnancy (average prenatal point estimate = 2.9%), and the cumulative incidence of new OCD diagnoses was estimated at 9% by 6 months postpartum [ 5 ]. (nature.com)
  • The International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) recommends that pregnant women have routine obstetric ultrasounds between 18 weeks' and 22 weeks' gestational age (the anatomy scan) in order to confirm pregnancy dating, to measure the fetus so that growth abnormalities can be recognized quickly later in pregnancy, and to assess for congenital malformations and multiple pregnancies (twins, etc). (wikipedia.org)
  • Research shows that routine obstetric ultrasound before 24 weeks' gestational age can significantly reduce the risk of failing to recognize multiple gestations and can improve pregnancy dating to reduce the risk of labor induction for post-dates pregnancy. (wikipedia.org)
  • The following 3D ultrasound images were taken at different stages of pregnancy: 3D Ultrasound of fetal movements at 12 weeks 75-mm fetus (about 14 weeks' gestational age) Fetus at 17 weeks Fetus at 20 weeks A gestational sac can be reliably seen on transvaginal ultrasound by 5 weeks' gestational age (approximately 3 weeks after ovulation). (wikipedia.org)
  • This means determining how far along someone is in pregnancy - gestational age - has become more important, because there is a smaller window of time to secure the procedure in about half of the states in the U.S. (local10.com)
  • Gestational age is the term used to describe how far along a pregnancy is. (local10.com)
  • Main outcome measures Risk ratio of spontaneous abortion and stillbirth after use of antiepileptic drugs during pregnancy, estimated by using binomial regression adjusting for potential confounders of maternal age, cohabitation, income, education, history of severe mental disorder, and history of drug misuse. (bmj.com)
  • In deciding the kind of care to provide, specialists at intensive care facilities traditionally have relied heavily on an infant's gestational age - the week of pregnancy a premature infant is born. (nih.gov)
  • The gestational age of the pregnancy will influence the method of abortion and whether the abortion can take place at home or should take place in a facility. (ipas.org)
  • The actual date of conception for a baby is hard to know, so gestational age is the most common way to calculate how far along a pregnancy is and predict your due date . (healthline.com)
  • Late in pregnancy ultrasound is used to determine fetal well being, the amount of amniotic fluid, the position of the fetus, and to get an estimate of the size of the fetus. (faqs.org)
  • The emphasis of the report Nutrition During Pregnancy (IOM, 1990) was on the short-term consequences of gestational weight gain (GWG). (nationalacademies.org)
  • Name and describe the three screenable trisomies in pregnancy, and describe how screening for these changes as first presentation changes with gestational age. (brainscape.com)
  • I'm delighted to welcome you today to COCA's call, Updated Interim Zika Clinical Guidance for Re-Reproductive Age Women and Men Sexual Transmission of Zika and the U.S. Zika Pregnancy Registry. (cdc.gov)
  • During this call we'll cover the following areas: a brief overview of Zika virus, updated interim guidance for prevention of sexual transmission of Zika virus, updated interim guidance for healthcare providers caring for women of reproductive age with possible Zika virus exposure, preventing transmission of Zika virus in labor and delivery settings through implement- implementation of standard precautions, interpretation of the pediatric testing guidance, and the U.S. Zika Pregnancy Registry. (cdc.gov)
  • The authors report that reasons for delay among women who were turned away for being over the gestational age limit included travel and procedure costs (58.3 percent of "turnaways" reported this issue), not recognizing the pregnancy (almost half of turnaways), insurance problems, not knowing where to find abortion care (reported by a third of turnaways), and not knowing how to get to a provider. (ourbodiesourselves.org)
  • Advanced maternal age is also a recognized risk factor for fetal and placental chromosome abnormalities. (medscape.com)
  • Our criteria will provide useful references for estimating gestational age and fetal care. (journalcra.com)
  • After 13 weeks of gestation, the fetal age may be estimated using the biparietal diameter (the transverse diameter of the head, across the two parietal bones), the head circumference, the length of the femur, the crown-heel length (head to heel), and other fetal parameters. (wikipedia.org)
  • 10th percentile for gestational age) in these populations are not expressions of fetal growth restriction, but are rather physiological or constitutional in origin [ 6 - 8 ]. (biomedcentral.com)
  • The World Health Organization Fetal Growth Charts: A Multinational Longitudinal Study of Ultrasound Biometric Measurements and Estimated Fetal Weight. (omnicalculator.com)
  • LGA - Large for Gestational Age babies exceed the 90th percentile of their Estimated Fetal Weight. (omnicalculator.com)
  • These two explanations are based on an Estimated Fetal Weight (EFW) calculations that use the ultrasound technique to evaluate a baby's weight inside its mother's uterus. (omnicalculator.com)
  • We could also measure the estimated fetal weight by assessing the fundal height - this method, however, is not as accurate. (omnicalculator.com)
  • Gestational age is defined as the best obstetrical estimate (OE) of the newborn's gestation in completed weeks based on the birth attendant's final estimate of gestation , irrespective of whether the gestation results in a live birth or a fetal death. (jointcommission.org)
  • Ultrasound is routinely used to follow fetal growth in multiple gestations as well as fetuses who are small for gestational age. (faqs.org)
  • Our estimates of fetal and neonatal outcomes at various gestational ages in twin pregnancies should be taken into account when decisions are made on timing of delivery," the authors conclude. (medscape.com)
  • Changes in rates of spontaneous fetal deaths reported in Upstate New York vital records by gestational age, 1968-78. (cdc.gov)
  • Republican-led states have attempted to chip away at abortion access for decades, but a renewed push to ban abortion at various gestational ages began to take hold in 2019. (local10.com)
  • Our study provides comprehensive estimates comparing risks of stillbirth and neonatal mortality at various gestational ages, which is required for the planning of delivery in uncomplicated twin pregnancies," write Fiona Cheong-See, MBBS, from Queen Mary University of London, United Kingdom, and colleagues with the Global Obstetrics Network Collaboration. (medscape.com)
  • And to estimate the relationship between FOP measurements of normal fetuses and gestational age, nomograms were generated accordingly. (eurekalert.org)
  • Childbirth on average occurs at a gestational age of 280 days (40 weeks), which is therefore often used as a standard estimation for individual pregnancies. (wikipedia.org)
  • The study is the largest to date to evaluate stillbirths and neonatal outcomes in twin pregnancies, and the first to estimate neonatal morbidity for specific gestational ages. (medscape.com)
  • Twin pregnancies carry a higher risk for stillbirth than singleton pregnancies, and the risk increases with gestational age. (medscape.com)
  • Yet, the optimal age for delivery of twin pregnancies has not been established. (medscape.com)
  • They concluded that 4,143 women in 2008 were forced to carry their unwanted pregnancies to term because of gestational age limits. (ourbodiesourselves.org)
  • This study determined the accuracy of first-trimester serum human chorionic gonadotrophin (hCG) for estimating gestational age (GA). We included 273 584 singleton live births that had a first-trimester ultrasound and measured serum hCG at 4-12 weeks gestation in Ontario from 2012 to 2018. (bvsalud.org)
  • Within epidemiological studies in which GA is otherwise unknown, first-trimester serum hCG may aid somewhat in estimating GA between 4 to 6 weeks gestation , but much less so thereafter. (bvsalud.org)
  • Gestational age was ascertained from the birth certificate's obstetric estimate of completed weeks of gestation and categorized as extremely preterm (20-27 weeks), early preterm (28-33 weeks), late preterm (34-36 weeks), and term (≥37 weeks) † ( 4 ). (cdc.gov)
  • Analysis was restricted to infants with gestational ages ≥20 weeks who were not transferred to another facility within 24 hours of delivery and who were living at the time of birth certificate completion. (cdc.gov)
  • The standard error of the Estimate (Std.Error) and the standard deviation (SD) for the GA regression model (using BPD measurements) was 1.38 and (0.8, 1.1, 1.4, 1.6, 1.7) weeks when the GA were (12-18, 18-24, 24-30, 30-36, 36-42), respectively. (journalcra.com)
  • Additionally, the ISUOG recommends that pregnant patients who desire genetic testing have obstetric ultrasounds between 11 weeks' and 13 weeks 6 days' gestational age in countries with resources to perform them (the nuchal scan). (wikipedia.org)
  • The embryo should be seen by the time the gestational sac measures 25 mm, about five-and-a-half weeks. (wikipedia.org)
  • The heartbeat is usually seen on transvaginal ultrasound by the time the embryo measures 5 mm, but may not be visible until the embryo reaches 19 mm, around 7 weeks' gestational age. (wikipedia.org)
  • Meanwhile, states such as Florida and Arizona ban abortion at 15 weeks gestational age, though Arizona Attorney General Mark Brnovich has since declared that a 1901 law that bans all abortions may now be enforceable. (local10.com)
  • For example, states such as Indiana, Iowa and Georgia specifically ban abortion at 20 weeks probable postfertilization - which is 22 weeks gestational age. (local10.com)
  • Births became much less likely to occur beyond gestational week 40 and much more likely to occur during weeks 37-39. (dukeupress.edu)
  • Born at less than 36 weeks estimated gestational age. (childrenshospital.org)
  • The weeks surrounding your estimated due date are your due date window, and birth is likely to happen at any time during that period. (healthline.com)
  • For example, an infant born on the 5th day of the 36th week (35 weeks and 5/7 days) is at a gestational age of 35 weeks, not 36 weeks. (jointcommission.org)
  • Gestational age (written with both weeks and days, eg. (jointcommission.org)
  • The gestational age is the number of weeks between the first day of the mother's last menstrual period and the day of delivery. (merckmanuals.com)
  • The baby is estimated to be due (the due date) at 40 weeks of gestation. (merckmanuals.com)
  • Gestational age was estimated based on menstrual dates and an ultrasound examination performed before 20 weeks of gestation. (hindawi.com)
  • PIH was diagnosed where there was systolic blood pressure higher than 140 mm Hg and/or diastolic blood pressure higher than 90 mm Hg after 20 gestational weeks. (hindawi.com)
  • Compared with organic solvent s unexposed mothers with GSTT1 non-null genotype and PON2 rs12026 CC genotype, organic solvent s exposed mothers with GSTT1 null genotype and PON2 rs12026 CG + GG genotype had the largest reduction in gestational age (-0.36 weeks, 95%CI: -0.70 to -0.02). (cdc.gov)
  • Many premature babies with a gestational age near 37 weeks will not need special hospital care. (laleche.org.uk)
  • The median gestational age of NICU infants was 36 weeks, median birth weight was 2.2 kg and 49.5% were delivered by non-elective caesarean section. (who.int)
  • Early findings suggest that physical and neuromuscular measurements-for example, measuring the veins in the lenses of a baby's eyes-can also be used to estimate gestational age. (kiglobalhealth.org)
  • A baby's gestational age often can be closely estimated using this examination. (chop.edu)
  • The physical assessment part of the Dubowitz/Ballard Examination examines physical characteristics that look different at various stages of a baby's gestational maturity. (chop.edu)
  • Large for gestational age means that a fetus or infant is larger or more developed than normal for the baby's gestational age. (medlineplus.gov)
  • During your first trimester this CRL measurement can offer the most accurate estimation of the baby's age, because all babies grow at roughly the same speed during that time. (healthline.com)
  • Through a multidisciplinary comparison and contrast of analytic methods using longitudinal study data, Ki was able to evaluate how to improve on existing clinical practice for obtaining gestational age to identify preterm kids in LMIC. (kiglobalhealth.org)
  • At the population level, accurately estimating preterm birth rates and how they vary geographically will help policymakers identify where interventions are needed and evaluate their impact. (kiglobalhealth.org)
  • The prevalence of infants receiving any breast milk was 83.9% overall and varied by gestational age, with 71.3% of extremely preterm infants, 76.0% of early preterm infants, 77.3% of late preterm infants, and 84.6% of term infants receiving any breast milk. (cdc.gov)
  • We suggest that the declines were likely due to shifts in gestational age resulting from changes in obstetric practices. (dukeupress.edu)
  • Using restricted National Vital Statistics System data linked birth/infant death data for 1990-2013, we analyze trends in obstetric practices, gestational age distributions, and birth weights among first-birth singletons born to U.S. non-Hispanic White, non-Hispanic Black, and Latina women. (dukeupress.edu)
  • We use life table techniques to analyze the joint probabilities of gestational age-specific birth and gestational age-specific obstetric intervention (i.e., induced cesarean delivery, induced vaginal delivery, not-induced cesarean delivery, and not-induced vaginal delivery) to fully document trends in obstetric practices by gestational age. (dukeupress.edu)
  • We use simulation techniques to estimate counterfactual changes in birth weight distributions if obstetric practices did not change between 1990 and 2013. (dukeupress.edu)
  • Overall, nearly 18% of births from not-induced labor and vaginal delivery at later gestational ages were replaced with births occurring at earlier gestational ages from obstetric interventions. (dukeupress.edu)
  • The mean algorithm-derived gestational age at birth was lower than the mean obtained from the birth certificate file among singleton deliveries (267.9 vs 273.5 days) but not among multiple-gestation deliveries (253.9 vs 252.6 days). (nih.gov)
  • This estimate of gestation should be determined by all perinatal factors and assessments such as ultrasound, but not the newborn exam. (jointcommission.org)
  • Doctors can use ultrasounds to estimate gestational age. (local10.com)
  • National estimates of newborn feeding practices by gestational age have not been available previously. (cdc.gov)
  • Gestational age documented closest to or at the time of the delivery (not including the newborn exam) should be abstracted. (jointcommission.org)
  • The diagnosis is based on the appearance of the newborn and the estimated date of delivery. (merckmanuals.com)
  • A study of singleton live births in the US came to the result that childbirth has a standard deviation of 14 days when gestational age is estimated by first trimester ultrasound, and 16 days when estimated directly by last menstrual period. (wikipedia.org)
  • These estimates suggest that many infants, particularly infants at high risk for medical complications, might not be receiving breast milk. (cdc.gov)
  • Cost of care for a geographically determined population of low birthweight infants to age 8-9 years. (nature.com)
  • None of these measures, however, estimates gestational age as reliably as early ultrasound. (kiglobalhealth.org)
  • This time frame is often adjusted according to other information doctors receive, including the results of early ultrasound scans, which give additional information regarding the gestational age. (merckmanuals.com)
  • We also found that an estimated 26% of the association between maternal smoking and early-onset endometriosis could be explained by birthweight-for-gestational age. (lu.se)
  • In the United States and in 14 of 19 European countries, all live births at any birthweight or gestational age are required to be reported. (cdc.gov)
  • Large for gestational age (LGA) refers to a fetus or infant who is larger than expected for their age and gender. (medlineplus.gov)
  • The LGA measurement is based on the estimated gestational age of the fetus or infant. (medlineplus.gov)
  • Their actual measurements are compared with normal height, weight, head size, and development of a fetus or infant of the same age and sex. (medlineplus.gov)
  • Moreover, an estimate that is inaccurate by only a week could result in an infant receiving care that was not appropriate for his or her individual case. (nih.gov)
  • Results show that between 1990 and 2013, the likelihood of induced labors and cesarean deliveries increased at all gestational ages, and the gestational age distribution of U.S. births significantly shifted. (dukeupress.edu)
  • Average birth weight and average gestational age were statistically significantly lower in the highly exposed population than in the control area prior to filtration of municipal water supply. (biomedcentral.com)
  • CONCLUSIONS: Maternal genetic susceptibility GSTT1 and PON2 rs12026 could significantly modify the association of organic solvent s with gestational age. (cdc.gov)
  • SGA - Small for Gestational Age babies are all babies that fall below the 10th percentile of the population, when it comes to their EFW percentile. (omnicalculator.com)
  • IUGR was defined as estimated weight less than the 10th percentile of the Japanese standard [ 7 ]. (hindawi.com)
  • A gestational age algorithm based upon electronic health plan data correctly classified medication exposure status in most live born deliveries, but trimester-specific misclassification may be higher for drugs typically used for short durations. (nih.gov)
  • We recently wrote about the Turnaway Study , a research project that involved following women who were denied an abortion because they were past the provider's gestational age limit and comparing their outcomes to women who received an abortion (either during the first trimester or at near-limit, when the women were almost out of time). (ourbodiesourselves.org)
  • if a later scan gives a different estimate of gestational age, the estimated age is not normally changed but rather it is assumed the fetus is not growing at the expected rate. (wikipedia.org)
  • Gestational age is the age of a fetus or baby that starts on the first day of the mother's last menstrual period. (medlineplus.gov)
  • Gestational age refers to how far along the fetus is. (merckmanuals.com)
  • Two prospective cohort studies reporting on the effectiveness of telemedicine for the provision of medical abortion during the COVID-19 pandemic utilized reported LMP alone to determine gestational age and medical abortion eligibility (Aiken et al. (ipas.org)
  • Gene-environment interaction among GSTT1, PON2 polymorphisms and organic solvent s on gestational age in a Chinese women cohort. (cdc.gov)
  • METHODS: This total-population register-based cohort study consisted of 628 312 singleton women born in Sweden between 1973 and 1987, who were followed for diagnosed endometriosis from age 15 years until the end of 2012. (lu.se)
  • We found a regression equation to estimate the GA using BPD measurements. (journalcra.com)
  • 2018). Investigators found high agreement (99%) between the two gestational age measurements. (ipas.org)
  • Symphysio-fundal height and abdominal girth measurements were used to calculate the estimated foetal weight. (bvsalud.org)
  • With better information about gestational age, health workers can make sure babies stay alive and healthy. (kiglobalhealth.org)
  • At the individual patient level, better models for gestational age will help healthcare workers to take steps to help premature babies stay alive and healthy. (kiglobalhealth.org)
  • While the mean birth weight of Caucasian babies in the Netherlands has increased the past decades, it is unknown if the mean birth weight of South Asian babies born in the Netherlands has increased or if the prevalence of low birth weight (LBW) or small-for-gestational-age (SGA) has decreased. (biomedcentral.com)
  • Since 1974, although the mean birth weight of Surinamese South Asian babies remained unchanged, they gained a healthier weight for their gestational age. (biomedcentral.com)
  • However, during the second and third trimesters babies grow at different speeds, so this ability to accurately estimate age based on baby size diminishes. (healthline.com)
  • Babies are born at a range of gestational ages. (justmommies.com)
  • The charity Bliss estimates that around 60,000 babies are born prematurely in the UK every year. (laleche.org.uk)
  • For those premature babies who need special hospital care, the average length of stay depends greatly on their gestational age. (laleche.org.uk)
  • Gestational Age measures age as the time since the first day of the last menstrual period rather than time from conception which is generally not possible to determine. (kiglobalhealth.org)
  • This starting point is the person's last normal menstrual period (LMP) or the corresponding time as estimated by a more accurate method if available. (wikipedia.org)
  • Objective: This research aimed to determine the efficacy of Bi-Parietal Diameter (BPD) by ultrasound in estimating the Gestational Age (GA) compared to GA by Naegele's rule using Last menstrual period (LMP) date. (journalcra.com)
  • The most common method for determining gestational age: how much time has passed since the first day of the last menstrual period. (local10.com)
  • For those who have irregular menstrual periods or can't remember, determining gestational age can sometimes be difficult. (local10.com)
  • For individuals confident of the dates of their last menstrual period (LMP), gestational age may be calculated using LMP alone. (ipas.org)
  • If you have no idea when your last period was, became pregnant while using oral contraceptives , or have extremely irregular menstrual cycles, your doctor will likely request an ultrasound to determine the gestational age of your baby. (healthline.com)
  • Quantifying bias between reported last menstrual period and ultrasonography estimates of gestational age in Lusaka, Zambia. (unc.edu)
  • Data are available by a variety of demographic characteristics, such as state and county of residence, mother's race, and mother's age, and health and medical items. (cdc.gov)
  • The estimated date of delivery (EDD), also known as expected date of confinement, and estimated due date or simply due date, is a term describing the estimated delivery date for a pregnant person. (wikipedia.org)
  • Thus, there remains an ongoing need for an accurate method for estimating missing GA within large datasets. (bvsalud.org)
  • Rates of neonatal morbidity, including assisted ventilation, respiratory distress syndrome, admission to the neonatal intensive care unit, and septicemia, consistently decreased as gestational age increased in both monochorionic and dichorionic gestations. (medscape.com)
  • Calculate birth rates (normalized to the total population) and fertility rates (normalized to females age 15 - 44 years old), as well as other measures . (cdc.gov)
  • Unfortunately, it can be difficult in lower-income settings to determine if a baby is being born pre-term, because it can be difficult to pinpoint a fetus's gestational age-that is, how much time has passed since conception. (kiglobalhealth.org)
  • The age of a product of conception. (aihw.gov.au)
  • When the physical assessment score and the neuromuscular score are added together, the gestational age can be estimated. (chop.edu)
  • both found that 12% of women eligible for medical abortion based on their LMP were beyond gestational age limits as determined by ultrasound dating (Blanchard et al. (ipas.org)
  • The authors also performed some calculations to try to estimate how many women are turned away each year due to gestational age limits. (ourbodiesourselves.org)
  • Results: The mean age of the participants was 29.65 ± 5.15 years. (bvsalud.org)
  • Results: The participants' mean age was 31.88 (SD+ 5.1 years), 97.2% of the women had ANC in formal setting and 53.8% had vaginal delivery. (bvsalud.org)
  • We investigated the associations of maternal and birth characteristics with risk of endometriosis among Swedish women of reproductive age. (lu.se)
  • A study of 660 women seeking medical abortion in Nepal compared gestational age determined by LMP to LMP plus bimanual examination without comparison to ultrasound (Averbach et al. (ipas.org)
  • The study will recruit eligible patients from an estimated six EDs and enroll up to 2,000 patients. (childrenshospital.org)
  • Women were recruited for the study from "last stop" abortion clinics - those where there's not a provider with a later gestational age limit within 150 miles. (ourbodiesourselves.org)
  • stunting, wasting, and micronutrient deficiencies are estimated to underlie nearly 3·1 million child deaths annually. (sigmaaldrich.com)
  • We estimated the national burden of invasive EOS cases and deaths in the era of GBS prevention. (rti.org)
  • Estimates of the national number of cases and deaths were calculated, standardizing by race and gestational age. (rti.org)
  • The estimated national annual burden of EOS was approximately 3320 cases (95% confidence interval [CI]: 3060-3580), including 390 deaths (95% CI: 300-490). (rti.org)
  • Data on breast milk intake by gestational age are limited. (cdc.gov)
  • Disparities in receipt of breast milk by several sociodemographic factors, including maternal race/ethnicity, were noted across gestational age groups. (cdc.gov)
  • These statutes generally require a doctor to determine the gestational age in order to determine if they can perform an abortion. (local10.com)
  • Several studies report the accuracy of LMP alone to determine gestational age compared to ultrasound prior to medical abortion (Blanchard et al. (ipas.org)
  • The clinician, not the abstractor, should perform the calculation to determine gestational age. (jointcommission.org)
  • Other states have enacted abortion bans relying on the estimated date of fertilization. (local10.com)
  • Gestational age must be assessed before provision of abortion services. (ipas.org)
  • The latest information about the 2019 Novel Coronavirus, including vaccine clinics for children ages 6 months and older. (stanfordchildrens.org)
  • La información más reciente sobre el nuevo Coronavirus de 2019, incluidas las clínicas de vacunación para niños de 6 meses en adelante. (stanfordchildrens.org)