causes of post term pregnancy

    The post-term infant may be LGA, AGA, SGA, or dysmature, depending on placental function. The cause of prolonged pregnancy is unknown. There's no single cause of postpartum depression, but physical and emotional issues may play a role. What causes post-term pregnancy? Neural tubes are one of the reasons for which pregnancy may be terminated for medical reasons. Pregnancy is considered late term from 41 weeks, 0 days’ to 41 weeks, 6 days’ gestation, and postterm at 42 weeks’ gestation. Healthcare providers do not know why some women carry a pregnancy longer than others. Ending the pregnancy can help parents to move forward and begin the grieving process. After first postterm birth the incidence of a subsequent postterm birth increases from 10 to 27 percent and after two prior, successive post term deliveries the incidence further increases to 39 percent. Post-term pregnancy is defined as a pregnancy that has extended to or beyond 42 weeks of gestation (294 days, or estimated date of delivery [EDD] plus 14 days). Postmaturity is more likely to happen when a mother has had a post-term pregnancy before. A pregnancy that lasts more than 42 weeks (294 days since the first day of the last menstrual period) is considered post-term. Physical changes. Many parents decide to terminate the pregnancy after receiving a diagnosis of anencephaly, knowing that there is zero chance that the baby will live. After childbirth, a dramatic drop in hormones (estrogen and progesterone) in your body may contribute to postpartum depression. Postterm pregnancy is when a woman has not yet delivered her baby after 42 weeks of gestation, two weeks beyond the typical 40 week duration of pregnancy. Factors associated with postmaturity include … Prior post term pregnancy: some mothers will have repeated postterm births may be suggesting some biologically determined factor behind it.   Obese mother. Research shows that when pregnancy extends between 41 weeks and 41 weeks and 6 days (late-term pregnancy) as well as 42 weeks or beyond (postterm pregnancy), your baby might be at increased risk of health problems, including: Etiology . A post-term pregnancy is one that extends beyond 42 weeks’ gestation. Causes. Other minor risk factors include: First pregnancy. After one post-term pregnancy, the risk of a second post-term birth increases by 2 to 3 times. Mother or father with personal history of postmaturity. post term: beyond 42 weeks Babies born before 37 weeks are considered premature and those born after 42 weeks are called postmature. Male baby. Older mother. 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