Nausea and vomiting of pregnancy and association with pregnancy outcome.

摘要: Abstract The patterns of nausea and/or vomiting pregnancy were investigated in a group 414 predominantly white, upper middle-class women Albany, New York; ascertained before their eighty-eighth day gestation and followed up to the end pregnancy. Of these, 89.4% reported at least some symptoms. This frequency is higher than previously, perhaps part because extensive attempts made this study ascertain incidence was about 55%. Women with no symptoms experienced significantly greater proportion nonviable outcomes (fetal death). Increased intake niacin during first trimester associated decreased infant birth weight. may be result quicker fetal maturation due increased levels protein intake.