A Follow-up of the Early Pregnancy Study Cohort.

Background: \- The purpose of the 1982 1986 North Carolina Early Pregnancy Study was to determine how often pregnancy loss occurs before women know they are pregnant. Women planning to become pregnant were asked to collect daily urine specimens and fill out daily diaries of their intercourse and menstrual bleeding. Researchers are interested in re-contacting this cohort to gather new information and to examine how accurately women can recall events that occurred earlier in their lives. Objectives: \- To follow-up with and gather additional information from women who were involved in the Early Pregnancy Study. Eligibility: \- Women who participated in the 1982 1986 North Carolina Early Pregnancy Study. Design: * Participants will receive and complete a questionnaire that includes the following topics: * Their pregnancy history. * The infant s birth, including method of delivery and induction of labor. * Early life exposures such as their own birth weight and their parents ages at their birth. * Tap water use during their attempt to conceive * General description of their behaviors during their participation in the original study, these include: physical activity, caffeine, alcohol, and soy food consumption. * Participants will return the surveys to the researchers in the stamped envelope provided with the questionnaire....