Stress can impact fertility, says Dr Gill Lockwood.
When do they start? Are they different to normal periods?
What's the deal? Are you more fertile? Are you less fertile?
Dr Sarah Bonza explains why you probably steer clear of these foods.
"In very recent history, female athletes were punished for getting pregnant – contracts were cut, funding was dropped, careers were scuppered."
Do you have to wait the same amount of time as you do with a vaginal birth?