It's commonly thought that sperm "race" to the egg, with the winner fertilizing it. But is this really the case?

Ovarian cancer affects anyone with ovaries, most commonly women who are older than 50, the NHS explains - here are the ...

Urinary tract infections are easy to treat but will make you feel awful the further they're allowed to progress without an antibiotic. You ovulated late, and your period is gearing up to start. If you ...

Ovulation is the phase in a woman's menstrual cycle when an unfertilized egg is released from the ovary and travels through the fallopian tubes and into the uterus. This is the stage of the menstrual ...

Satouh et al. report giant organelle complexes in oocytes and early embryos. Although these structures have often been observed in oocytes and early embryos, their exact nature has not been ...

Ovarian cancer affects anyone with ovaries, most commonly women who are older than 50, the NHS explains - here are the symptoms, causes ...

Revised: This Reviewed Preprint has been revised by the authors in response to the previous round of peer review; the eLife assessment and the public reviews have been updated where necessary by the ...

or if you’ve not had a baby as this could mean you’ve released more eggs (ovulated more) have never used a hormonal contraception like the pill or an implant take hormone replacement therapy ...