• complication
  • For example, mild nausea may merely be a discomfort (morning sickness), but if severe and with vomiting causing water-electrolyte imbalance it can be classified as a pregnancy complication (hyperemesis gravidarum). (wikipedia.org)
  • maternal
  • The most common causes of maternal mortality are maternal bleeding, maternal sepsis and other infections, hypertensive diseases of pregnancy, obstructed labor, and pregnancy with abortive outcome, which includes miscarriage, ectopic pregnancy, and elective abortion. (wikipedia.org)
  • Deep vein thrombosis (DVT) has an incidence of 0.5 to 7 per 1,000 pregnancies, and is the second most common cause of maternal death in developed countries after bleeding. (wikipedia.org)
  • This increased risk is caused by an increased immune tolerance in pregnancy to prevent an immune reaction against the fetus, as well as secondary to maternal physiological changes including a decrease in respiratory volumes and urinary stasis due to an enlarging uterus. (wikipedia.org)
  • Prenatal
  • 46,XX/46,XY chimerism can be identified during pregnancy by prenatal screening or in early childhood through genetic testing and direct observation. (wikipedia.org)
  • ectopic
  • 630) Hydatidiform mole (631) Other abnormal product of conception (632) Abortion, missed (633.1) Ectopic pregnancy, tubal, no IUP (633.9) Ectopic pregnancy, no IUP, unspec. (wikipedia.org)
  • 634) Spontaneous abortion (635) Legally induced abortion (636) Illegally induced abortion (637) Unspecified abortion (638) Failed attempted abortion (639) Complications following abortion and ectopic and molar pregnancies (640) Hemorrhage in early pregnancy (640.0) Threatened abortion (640.03) Abortion, threatened, antepartum (641) Antepartum hemorrhage, abruptio placentae, and placenta previa (641.0) Placenta previa, w/o bleeding, unspec. (wikipedia.org)
  • umbilical
  • The aim of this study was to estimate the incidence of single umbilical artery (SUA) in twin pregnancies and to investigate whether SUA in twin gestations is associated with adverse obstetric outcomes. (biomedsearch.com)
  • The thorax and abdomen are separate and each twin has its own umbilicus and umbilical cord. (wikipedia.org)
  • The parasitic twin, little more than a torso with or without legs, receives its blood supply from the host twin by means of an umbilical cord-like structure, much like a fetus in fetu, except the acardiac twin is outside the host twin's body. (wikipedia.org)
  • While it is thought that the classical TRAP/Acardius sequence is due to a retrograde flow from the umbilical arteries of the pump twin to the iliac arteries of the acardiac twin resulting in preferential caudal perfusion, acardius acormus is thought to be a result of an early embryopathy. (wikipedia.org)
  • survive
  • Survival of both, or one twin, often depends on how the babies are joined together, and whether they have enough separate organs to survive alone. (boots.com)
  • But 75 percent of conjoined twins do not survive pregnancy, according to the hospital. (ibtimes.com)
  • In many cases, one or both of the twins may not survive any attempts to separate them, making the cases controversial. (fertilitysmarts.com)
  • Usually if the both twins survive labor, one twin will be healthy and strong, while the other is malnourished and weak. (wikipedia.org)
  • dizygotic
  • Dizygotic twins, like any other siblings, have an extremely small chance of having the same chromosome profile. (wikipedia.org)
  • Like any other siblings, dizygotic twins may look similar, particularly given that they are the same age. (wikipedia.org)
  • However, dizygotic twins may also look very different from each other. (wikipedia.org)
  • Studies show that there is a genetic proclivity for dizygotic twinning. (wikipedia.org)
  • Dizygotic twins are also more common for older mothers, with twinning rates doubling in mothers over the age of 35. (wikipedia.org)
  • utero
  • However, males are also more susceptible than females to die in utero, and since the death rate in utero is higher for twins, it leads to female twins being more common than male twins. (wikipedia.org)
  • In the books, it is theorised that Maelys "ate" his twin while in-utero, which strongly implies that that the head is that of a parasitic twin. (wikipedia.org)
  • The chimerism arises in utero from the combination of an XX zygote and an XY zygote (which otherwise would have developed into twins) into a single embryo. (wikipedia.org)
  • Hyperemesis
  • 642.7) Pre-eclampsia or eclampsia superimposed on pre-existing hypertension (643) Excessive vomiting in pregnancy (643.0) Mild hyperemesis gravidarum (643.1) Hyperemesis gravidarum with metabolic disturbance (643.9) Vomiting of pregnancy, unspec. (wikipedia.org)
  • Siamese
  • A novel not just about Siamese twins but a host of human attachments, it was only a modest best seller, but reviews were laudatory. (wikipedia.org)
  • genetic
  • Birth defects may result from genetic or chromosomal problems, exposure to certain medications or chemicals, or certain infections during pregnancy. (wikipedia.org)
  • womb
  • Each of these factors (rotation, spot of union) affects the development of the brain, the vascular system within the brain and overall wellness of life both of the twins have outside the womb. (wikipedia.org)
  • diabetes
  • Other conditions that can make pregnancy risky can happen while you are pregnant - for example, gestational diabetes and Rh incompatibility. (icdlist.com)
  • Early pregnancy weight gain is associated with an increased risk of developing diabetes during pregnancy," said Greenfield. (go.com)
  • Gestational diabetes is when a woman without diabetes develops high blood sugar levels during pregnancy. (wikipedia.org)
  • Risk factors include folic acid deficiency, drinking alcohol or smoking during pregnancy, poorly controlled diabetes, and a mother over the age of 35 years old. (wikipedia.org)
  • mothers
  • SUBJECTS: Three hundred and twenty eight mothers with twins and two sets of triplet deliveries. (biomedsearch.com)
  • Mothers who reported having the flu during pregnancy were at least twice as likely to have a child with autism as those who did not report having the flu, according to new survey results from a Danish study. (go.com)
  • The researchers interviewed the mothers during their pregnancy and after delivery about any infections and high fevers they'd experienced while pregnant, as well as whether they had used antibiotics. (go.com)
  • Although the study was not designed to ask about cases of the flu, mothers who reported having the flu during their pregnancy were two times more likely to have a child with autism, according to the study published Monday in the journal Pediatrics. (go.com)
  • The interview with the mothers included more than 200 questions that sought information about many different types of infections during pregnancy. (go.com)
  • early
  • Now, most women know about a multiple pregnancy early. (icdlist.com)
  • We previously proposed that the zygosity of spontaneously conceived twins can be determined at early ultrasound, where 2 corpora lutea infers dizygosity, and 1 implies monozygosity. (biomedsearch.com)
  • Conjoined twins are delivered at least 2-4 weeks early, always by C-section. (fertilitysmarts.com)
  • The zygotes fuse early enough that there is no risk of them developing into conjoined twins. (wikipedia.org)
  • In On the Generation of Animals, he declared that the soul develops first a vegetative soul, then animal, and finally human, adding that abortions were permissible early in pregnancy, before certain biological processes began. (wikipedia.org)
  • explains
  • Kyle's mother explains parasitic twins and fetus in fetu, leading Stan to attempt to open his head with an ice pick to release a supposed parasitic twin. (wikipedia.org)
  • Abortion
  • A registered medical practitioner who terminates a pregnancy in accordance with the provisions of the Abortion Act 1967 does not commit this offence. (wikipedia.org)
  • If a woman's life is endangered by a pregnancy, an abortion is permitted. (wikipedia.org)
  • parasitic twin
  • In some cases, a healthy twin and a parasitic twin are born. (wikipedia.org)
  • The parasitic twin has no hope for survival and dies and is then surgically separated from its twin. (wikipedia.org)
  • A parasitic twin (also known as an asymmetrical or unequal conjoined twin) is the result of the processes that also produce vanishing twins and conjoined twins, and may represent a continuum between the two. (wikipedia.org)
  • Fetus in fetu sometimes is interpreted as a special case of parasitic twin, but may be a distinct entity. (wikipedia.org)
  • The twin reversed arterial perfusion, or TRAP sequence, results in an acardiac twin, a parasitic twin that fails to develop a head, arms and a heart. (wikipedia.org)
  • The X-Files TV episode "Humbug" features a former circus performer with a parasitic twin. (wikipedia.org)
  • Total Recall introduces a parasitic twin as the mastermind of an organisation. (wikipedia.org)
  • A character in God of War: Ascension was a parasitic twin. (wikipedia.org)
  • In Stephen King's 1990 novel The Dark Half and its 1993 film adaptation, the main character is the victim of his parasitic twin. (wikipedia.org)
  • In A Canticle for Leibowitz a parasitic twin named Rachel begins to speak after a nuclear war. (wikipedia.org)
  • In Naruto the character Sakon has a parasitic twin named Ukon who lives on Sakon's back, making Sakon the dominate twin. (wikipedia.org)
  • In one episode, the leader of the Titans, Robin, is revealed to have a parasitic twin. (wikipedia.org)
  • In Snow of Lugenheim, main character Moyra Everslate has a parasitic twin protruding from her right forearm. (wikipedia.org)
  • usually
  • Occipital twins are joined at the occipital lobe in the back of the head and vertical are joined on the top of the head and usually face opposite directions. (wikipedia.org)
  • The twins also usually share only one set of external genitalia. (wikipedia.org)
  • sets of twins
  • METHODS: One hundred and seventeen sets of twins delivered at the Federal Medical Centre Makurdi, Nigeria over a three year period between 1st January, 2005 and 31st December2007 were reviewed. (biomedsearch.com)