| Suggestive evidence that pelvic endometriosis is a progressive disease, whereas deeply infiltrating endometriosis is associated with pelvic pain | Fertility and Sterility | 1991 | 658 |
| Effect of stress on the activity of the hypothalamic-pituitary-gonadal axis: peripheral and central mechanisms | Biology of Reproduction | 1991 | 611 |
| DNA packaging and organization in mammalian spermatozoa: comparison with somatic cells | Biology of Reproduction | 1991 | 539 |
| Incidence and main causes of infertility in a resident population (1,850,000) of three French regions (1988-1989) | Human Reproduction | 1991 | 511 |
| Current topic: pre-eclampsia and the placenta | Placenta | 1991 | 497 |
| Pregnancy after in vitro fertilization of human follicular oocytes collected from nonstimulated cycles, their culture in vitro and their transfer in a donor oocyte program | Fertility and Sterility | 1991 | 475 |
| Granulated lymphocytes in human endometrium: histochemical and immunohistochemical studies | Human Reproduction | 1991 | 461 |
| Basal follicle-stimulating hormone level is a better predictor of in vitro fertilization performance than age | Fertility and Sterility | 1991 | 420 |
| Bob Edwards--a profile | Human Reproduction | 1991 | 371 |
| Women with endometriosis show a defect in natural killer activity resulting in a decreased cytotoxicity to autologous endometrium | Fertility and Sterility | 1991 | 353 |
| A major human epididymis-specific cDNA encodes a protein with sequence homology to extracellular proteinase inhibitors | Biology of Reproduction | 1991 | 291 |
| Proliferative activity of gonocytes, Sertoli cells and interstitial cells during testicular development in mice | Reproduction | 1991 | 283 |
| Postoperative adhesion development after operative laparoscopy: evaluation at early second-look procedures**Presented in part at the 46th Annual Meeting of The American Fertility Society, Washington D.C., October 15 to 18, 1990. | Fertility and Sterility | 1991 | 277 |
| Prevalence and genesis of endometriosis | Human Reproduction | 1991 | 269 |
| Adhesion formation after laparoscopic surgery in tubal pregnancy: a randomized trial versus laparotomy | Fertility and Sterility | 1991 | 265 |
| Reevaluation of the roles of luteinizing hormone and follicle-stimulating hormone in the ovulatory process | Human Reproduction | 1991 | 260 |
| Fecundity and infertility in the United States: incidence and trends**The views expressed in this editorial are solely those of the authors and not necessarily those of the U.S. Department of Health and Human Services. | Fertility and Sterility | 1991 | 252 |
| Induction of preovulatory luteinizing hormone surge and prevention of ovarian hyperstimulation syndrome by gonadotropin-releasing hormone agonist**Presented in part at the International Symposium on GnRH Analogues in Cancer and Human Reproduction, Geneva, Switzerland, February 18 to 21, 1988, and at the 6th World Congress of In Vitro Fertilization and Alternative Assisted Reproduction, Jerusalem, Israel, April 2 to 7, 1989. | Fertility and Sterility | 1991 | 250 |
| Hormonal regulation of uterine secretion of prostaglandin F2 alpha during luteolysis in ruminants | Biology of Reproduction | 1991 | 250 |
| Ginger treatment of hyperemesis gravidarum | European Journal of Obstetrics, Gynecology and Reproductive Biology | 1991 | 250 |
| The window of embryo transfer and the efficiency of human conception in vitro | Fertility and Sterility | 1991 | 248 |
| Fertilizing capacity of bovine sperm may be maintained by binding of oviductal epithelial cells | Biology of Reproduction | 1991 | 238 |
| Isolation and characterization of two coho salmon gonadotropins, GTH I and GTH II | Biology of Reproduction | 1991 | 235 |
| Histopathological findings in placentae from patients with intra-uterine fetal death and anti-phospholipid antibodies | European Journal of Obstetrics, Gynecology and Reproductive Biology | 1991 | 233 |
| Characterization of subendometrial myometrial contractions throughout the menstrual cycle in normal fertile women | Fertility and Sterility | 1991 | 221 |
