| ESHRE consensus on the definition of 'poor response' to ovarian stimulation for in vitro fertilization: the Bologna criteria | Human Reproduction | 2011 | 1K |
| Contraceptive failure in the United States | Contraception | 2011 | 922 |
| Unintended pregnancy in the United States: incidence and disparities, 2006 | Contraception | 2011 | 896 |
| The Istanbul consensus workshop on embryo assessment: proceedings of an expert meeting | Human Reproduction | 2011 | 891 |
| Impact of endometriosis on quality of life and work productivity: a multicenter study across ten countries | Fertility and Sterility | 2011 | 699 |
| Vaginal progesterone reduces the rate of preterm birth in women with a sonographic short cervix: a multicenter, randomized, double-blind, placebo-controlled trial | Ultrasound in Obstetrics and Gynecology | 2011 | 623 |
| The use of morphokinetics as a predictor of embryo implantation | Human Reproduction | 2011 | 573 |
| Practice guidelines for performance of the routine mid-trimester fetal ultrasound scan | Ultrasound in Obstetrics and Gynecology | 2011 | 557 |
| An overview of randomization techniques: An unbiased assessment of outcome in clinical research | Journal of Human Reproductive Sciences | 2011 | 550 |
| Association between the number of eggs and live birth in IVF treatment: an analysis of 400 135 treatment cycles | Human Reproduction | 2011 | 548 |
| Why do people postpone parenthood? Reasons and social policy incentives | Human Reproduction Update | 2011 | 480 |
| The prevalence of congenital uterine anomalies in unselected and high-risk populations: a systematic review | Human Reproduction Update | 2011 | 415 |
| Maternal smoking in pregnancy and birth defects: a systematic review based on 173 687 malformed cases and 11.7 million controls | Human Reproduction Update | 2011 | 411 |
| Evidence of impaired endometrial receptivity after ovarian stimulation for in vitro fertilization: a prospective randomized trial comparing fresh and frozen-thawed embryo transfer in normal responders | Fertility and Sterility | 2011 | 406 |
| Correlation of ovarian reserve tests with histologically determined primordial follicle number | Fertility and Sterility | 2011 | 376 |
| An OHSS-Free Clinic by segmentation of IVF treatment | Human Reproduction | 2011 | 339 |
| A genomic diagnostic tool for human endometrial receptivity based on the transcriptomic signature | Fertility and Sterility | 2011 | 334 |
| Current progress in oocyte and embryo cryopreservation by slow freezing and vitrification | Reproduction | 2011 | 334 |
| The role of sperm oxidative stress in male infertility and the significance of oral antioxidant therapy | Human Reproduction | 2011 | 324 |
| Diagnosis of polycystic ovary syndrome (PCOS): revisiting the threshold values of follicle count on ultrasound and of the serum AMH level for the definition of polycystic ovaries | Human Reproduction | 2011 | 322 |
| Preimplantation genetic screening: a systematic review and meta-analysis of RCTs | Human Reproduction Update | 2011 | 305 |
| Significance of (sub)clinical thyroid dysfunction and thyroid autoimmunity before conception and in early pregnancy: a systematic review | Human Reproduction Update | 2011 | 298 |
| Circulating inflammatory markers in polycystic ovary syndrome: a systematic review and metaanalysis | Fertility and Sterility | 2011 | 294 |
| AMH and AFC as predictors of excessive response in controlled ovarian hyperstimulation: a meta-analysis | Human Reproduction Update | 2011 | 291 |
| A survey of small RNAs in human sperm | Human Reproduction | 2011 | 290 |
