Estimates of human fertility and pregnancy loss

MJ Zinaman, ED Clegg, CC Brown, J O'Connor… - Fertility and sterility, 1996 - Elsevier
Objective To examine the fertility and pregnancy wastage rates in a group of presumably
fertile couples. Design Prospective observational study of 200 couples desiring to achieve
pregnancy over 12 menstrual cycles coupled with pregnancy outcome follow-up. Setting A
university-based obstetrics and gynecological center. Patients Personal interviews and
questionnaires were used to screen couples for entry into the study. Couples were
counseled to have intercourse centered on predicted day of ovulation. Phase 1 included the …