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  • diabetes
  • One of the primary risk factors of LGA is poorly-controlled diabetes, particularly gestational diabetes (GD), as well as preexisting diabetes mellitus (DM) (preexisting type 2 is associated more with macrosomia, while preexisting type 1 can be associated with microsomia). (wikipedia.org)
  • definition
  • The popularity of using such a definition of gestational age is that menstrual periods are essentially always noticed, while there is usually a lack of a convenient way to discern when fertilization occurred. (wikipedia.org)
  • A vertically transmitted infection can be called a perinatal infection if it is transmitted in the perinatal period, which is the period starting at a gestational age of between 22 and 28 weeks (with regional variations in the definition) and ending seven completed days after birth. (wikipedia.org)
  • incidence
  • During the first period, which lasts until the 24th gestational week, the incidence of a longitudinal lie increases, with equal proportions of breech or cephalic presentations from this lie. (wikipedia.org)
  • During the second period, lasting from the 25th to the 35th gestational week, the incidence of cephalic presentation increases, with a proportional decrease of breech presentation. (wikipedia.org)
  • trimester
  • The aims of this study were to determine if the normal range of TSH changes according to gestational age during the first trimester and to determine the upper limit of TSH to define subclinical hypothyroidism in pregnant women. (thyroid.org)
  • calculate
  • Because the Centers for Disease Control and Prevention's annual study on abortion statistics does not calculate the exact gestational age for abortions performed past the 20th week, there are no precise data for the number of abortions performed after viability. (wikipedia.org)
  • IUGR
  • IUGR is associated with a wide range of short- and long-term neurodevelopmental disorders white matter effects - In postpartum studies of infants, it was shown that there was a decrease of the fractal dimension of the white matter in IUGR infants at one year corrected age. (wikipedia.org)
  • grey matter effects - Grey matter was also shown to be decreased in infants with IUGR at one year corrected age. (wikipedia.org)
  • risk
  • Women having their first birth after the age of 35 years had a 40% increased risk compared to those with a first birth before the age of 20 years. (wikipedia.org)
  • menstrual
  • A more complete listing of methods is given in following table: As a general rule, the official gestational age should be based on the actual beginning of the last menstrual period, unless any of the above methods gives an estimated date that differs more than the variability for the method, in which case the difference cannot probably be explained by that variability alone. (wikipedia.org)
  • days
  • Gestational age can also be estimated by calculating days from ovulation if it was estimated from related signs or ovulation tests, and adding 14 days by convention. (wikipedia.org)
  • mean
  • Height - mean (age, sex)}/ SD (age, sex), where mean (age, sex) and SD (age, sex) were mean and SD of height for corresponding chronological age and sex (data of those in 2000). (clinicaltrials.gov)