Factors associated with preterm birth in Cardiff, Wales: univariable and multivariable analysis

Article Abstract:

Several factors appear to be associated with preterm birth. Researchers analyzed data on 25,844 women giving birth from 1970 through 1979 in Cardiff, Wales. The advantages of this population for analyzing factors predisposing to preterm birth were that it was large, racially similar, all women got the same quality health care, and it predated widespread implementation of strategies to reduce preterm birth rates. The premature birth rate was 5.5% in 1970, dropping to 4.8% in 1979. Risk factors relating to the mother's physical characteristics, pregnancy history, social class, and medical condition were analyzed. The risk of preterm birth increased 5.4 times with late pregnancy bleeding, 4.1 times with preeclampsia-proteinuria, 2.3 times with maternal weight less than 45 kilograms, and somewhat less than two times with previous stillbirth, early pregnancy bleeding, or mother's age less than 18.

Risk factors, Premature birth

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The role of the hypothalamic-pituitary-adrenal axis in preparing the fetus for birth

Article Abstract:

A researcher who demonstrated the role of the fetal pituitary gland in labor and birth describes the work that led to his discovery. He found that destroying the fetal pituitary gland led to a prolonged pregnancy. This means the fetal pituitary produces a hormone that participates in labor.

Labor (Obstetrics), Hypothalamic-pituitary-adrenal axis

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Acute maternal rehydration increases the urine production rate in the near-term human fetus

Article Abstract:

Pregnant women can ensure that their baby has adequate amniotic fluid by drinking adequate amounts of fluid. In a study of 21 pregnant women who were dehydrated and then re-hydrated, the fetuses increased urine output during re-hydration to maintain amniotic fluid volume.

Fetus, Physiological aspects, Behavior, Hydration, Rehydration solutions, Urination

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