A comparison of the fertile phase as determined by the Clearplan Easy Fertility Monitor™ and self-assessment of cervical mucus

Timing of Sexual Intercourse in Relation to Ovulation — Effects on the Probability of Conception, Survival of the Pregnancy, and Sex of the Baby

Allen J. Wilcox, Clarice R. Weinberg, Donna D. Baird · New England Journal of Medicine · 1995 · 1.1K citations

Prediction of ovulation by urinary hormone measurements with the home use ClearPlan® Fertility Monitor: comparison with transvaginal ultrasound scans and serum hormone measurements

H. M. Behre, J. Kuhlage, C. Gaβner et al. · Human Reproduction · 2000 · 235 citations · Full text

Day-specific probabilities of clinical pregnancy based on two studies with imperfect measures of ovulation

David B. Dunson, Donna D. Baird, Allen J. Wilcox et al. · Human Reproduction · 1999 · 232 citations · Full text

Fertility, Clinical Pregnancy, Reproductive Health +19

Chronological aspects of ultrasonic, hormonal, and other indirect indices of ovulation

René Écochard, H. Boehringer, Muriel Rabilloud et al. · BJOG An International Journal of Obstetrics & Gynaecology · 2001 · 135 citations

Efficacy of methods for determining ovulation in a natural family planning program

Maurizio Guida, Giovanni A. Tommaselli, Stefano Palomba et al. · Fertility and Sterility · 1999 · 123 citations

Family Medicine, Hormonal Contraceptive, Fertility +8