Chorionic villus sampling is a method of prenatal diagnosis in the first trimester of pregnancy
in which tissue for genetic study is aspirated from the developing placenta by means of a …

Objectives. Medical errors cause significant morbidity and mortality in hospitalized patients.
Specialty-based, voluntary reporting of medical errors by health care providers is an …

Abstract 32 019 women completed a questionnaire on alcohol use at their first antenatal
visit; thereafter they were followed to assess the incidence of spontaneous abortions. 51.7 …

The association between anemia during pregnancy and spontaneous preterm birth was
studied with a two-stage case-control design in a large, multiethnic cohort. Results of all …

Medical and technological advances in the care of infants with low birth weight (less than
2,500 grams, or 5 pounds, 8 ounces) and very low birth weight (less than 1,500 grams, or 3 …

Background. Physically demanding, highly stressful work during pregnancy has been
reported to cause a variety of adverse outcomes. It has been difficult, however, to separate …

The effects of cigarette smoking and alcohol consumption on the length of gestation were
examined in a prospective study of 30,596 pregnant women in northern California. Preterm …

Differences in mean birth weight and low birth weight (< 2.5 kg) are analyzed among Asians,
blacks, Hispanics, and whites who were enrolled in the Northern California Kaiser …

OBJECTIVE: Our aim was to evaluate prospectively the effects of cocaine and marijuana use
on pregnancy outcomes. STUDY DESIGN: A prospective multicenter cohort study was …

The relationship between physical activity during pregnancy, preterm birth, and gestational
age-adjusted birth weight was investigated prospectively in a cohort of 7101 women. This …