| The ratio of 2nd to 4th digit length: a predictor of sperm numbers and concentrations of testosterone, luteinizing hormone and oestrogen | Human Reproduction | 1998 | 1.1K |
| A prospective randomized trial of blastocyst culture and transfer in in-vitro fertilization | Human Reproduction | 1998 | 589 |
| Weight loss in obese infertile women results in improvement in reproductive outcome for all forms of fertility treatment | Human Reproduction | 1998 | 580 |
| Relative impact of oxidative stress on the functional competence and genomic integrity of human spermatozoa | Biology of Reproduction | 1998 | 569 |
| Culture and transfer of human blastocysts increases implantation rates and reduces the need for multiple embryo transfers | Fertility and Sterility | 1998 | 494 |
| Sperm deoxyribonucleic acid fragmentation is increased in poor-quality semen samples and correlates with failed fertilization in intracytoplasmic sperm injection | Fertility and Sterility | 1998 | 427 |
| Epidemiology and aetiology of male infertility | Human Reproduction | 1998 | 419 |
| Role of nitric oxide in the biology, physiology and pathophysiology of reproduction | Human Reproduction Update | 1998 | 419 |
| Endothelial dysfunction in preeclampsia | Seminars in Reproductive Medicine | 1998 | 418 |
| Vascular endothelial growth factor (VEGF) in endometriosis | Human Reproduction | 1998 | 408 |
| Reactive oxygen species: potential cause for DNA fragmentation in human spermatozoa | Human Reproduction | 1998 | 404 |
| Uterine contractions at the time of embryo transfer alter pregnancy rates after in-vitro fertilization | Human Reproduction | 1998 | 381 |
| Regulation of protein phosphorylation during sperm capacitation | Biology of Reproduction | 1998 | 372 |
| Detection of reactive oxygen species (ROS) and apoptosis in human fragmented embryos | Human Reproduction | 1998 | 366 |
| Cervical length at 23 weeks of gestation: prediction of spontaneous preterm delivery | Ultrasound in Obstetrics and Gynecology | 1998 | 364 |
| Smoking and female infertility: a systematic review and meta-analysis | Human Reproduction | 1998 | 353 |
| How to construct 'normal ranges' for fetal variables | Ultrasound in Obstetrics and Gynecology | 1998 | 346 |
| Pathophysiology of adenomyosis | Human Reproduction Update | 1998 | 338 |
| Defects and syndromes in chromosomally normal fetuses with increased nuchal translucency thickness at 10-14 weeks of gestation | Ultrasound in Obstetrics and Gynecology | 1998 | 332 |
| The successful use of pronuclear embryo transfers the day following oocyte retrieval | Human Reproduction | 1998 | 332 |
| The relationship between BcI2, Bax and p53: consequences for cell cycle progression and cell death | Molecular Human Reproduction | 1998 | 331 |
| A vascular endothelial growth factor antagonist is produced by the human placenta and released into the maternal circulation | Biology of Reproduction | 1998 | 325 |
| Circulating levels of immunoreactive cytokines in women with preeclampsia | American Journal of Reproductive Immunology | 1998 | 311 |
| Development of human primordial follicles to antral stages in SCID/hpg mice stimulated with follicle stimulating hormone | Human Reproduction | 1998 | 301 |
| Randomized clinical trial of two laparoscopic treatments of endometriomas: cystectomy versus drainage and coagulation | Fertility and Sterility | 1998 | 297 |
