Background In the United States, black infants are twice as likely to die as white infants; this
difference reflects both black infants' higher rates of low birth weight and the higher mortality …

From an analysis of 11 abdominal pregnancy-related deaths and an estimated 5221
abdominal pregnancies in the United States, we estimated that there were 10.9 abdominal …

Reproductive outcomes were investigated in black and white female college graduates,
presumed to be of similar socioeconomic status and similar risk profile with respect to …

OBJECTIVE: To compare placental lesions for stillbirth cases and live birth controls in a
population-based study. METHODS: Pathologic examinations were performed on placentas from …

Maternal and perinatal mortality are important health problems in the United States. Emerging
causes of maternal deaths are embolism, cardiomyopathy, anesthesia complications, …

In the United States, infant mortality risks among Hispanics have not been previously evaluated
at the national level. We used the 1983 and 1984 national Linked Birth and Infant Death …

Context. Preventing loss of vaccine potency during storage and handling is increasingly
important as new, more expensive vaccines are introduced, in at least 1 case requiring a …

Objective. To give an overview of the literature for evidence of nutrient deficiencies as
contributors to the disparity in preterm birth (PTB) between African‐American and Caucasian …

Numerous epidemiological studies of various kinds of stress and preterm delivery have
produced either negative or weakly positive results. Those inconclusive findings could be either …

Studies of the association of ectopic pregnancy with contraception have generated a conflicting
array of results because of methodologic differences between studies. We estimated the …