Prospective pregnancy cohort studies that recruit couples discontinuing contraception to become pregnant are rare, and this is the only way to examine the association between preconceptional exposures to POPs and human birth size.
The original medical data were collected from a prospective pregnancy cohort by a professional research group in National Taiwan University.
Rodriguez A, Miettunen J, Henriksen TB, Olsen J, Obel C, Taanila A et al. Maternal adiposity prior to pregnancy is associated with ADHD symptoms in offspring: evidence from three prospective pregnancy cohorts.
Despite the intensive data collection protocol over 2 years coupled with the mothers having completed an intensive prospective pregnancy protocol, we found parents readily open to continued participation in a longitudinal study involving their children.
To describe a new measure, the unintended pregnancy risk index (UPRI), which is based primarily on attitudinal and behavioral measures of women's prospective pregnancy desire, and compare it to the unintended pregnancy rate, typically calculated retrospectively.
The objective of this study was to examine predictors of moderate (1-10 pounds) and high (>10 pounds) postpartum weight retention using data from a prospective pregnancy cohort that followed women into the postpartum period; n = 688 and 550 women at 3 and 12 months, respectively.
We conducted a prospective pregnancy cohort study.
First, the study was conducted nested within a larger well-characterized prospective pregnancy cohort.
To this end, we established the Biomarkers of Exposure to ARsenic (BEAR) prospective pregnancy cohort.
VHWs also maintain registers in which they record their activities, such as prospective pregnancy surveillance.
We examined the utility and feasibility of prospective pregnancy study designs by conducting a systematic review of the literature to summarize relevant information regarding the planning, implementation, and success of previously published prospective pregnancy studies.
