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51 Sometimes if a woman's water breaks escort solo 5 manual or she has contractions before 39 weeks, birth is unavoidable.81 Adequate periconceptional (time before and right after conception) folic acid (also called folate or Vitamin B9) intake has been shown to decrease the risk of fetal neural tube defects, such as spina bifida.13, pregnancy can occur by sexual intercourse or assisted reproductive technology.Institute for Quality and Efficiency in Health Care.Iheozor-Ejiofor Z, Middleton P, Esposito M, Glenny AM (June 2017)."An overview of mortality and sequelae of preterm birth from infancy to adulthood".
Archived from the original on 27 December 2011."Accuracy of home pregnancy tests at the time of missed menses".Handbook of nutrition and pregnancy.While labor induction is often justifiable in cases in which the menstrual history is certain, in other cases there is a risk that the fetus may, after induction, prove to be premature rather than male escort malaysia postmature.94 Zinc supplementation has been associated with a decrease in preterm birth, but it is unclear whether it is causative.548: weight gain during pregnancy".Retrieved 16 November 2015.Retrieved July 25, 2018.149 150 Society and culture In most cultures, pregnant women have a special status in society and receive particularly gentle care.