The fertility fitness plan

  • Marie Claire is supported by its audience. When you purchase through links on our site, we may earn commission on some of the items you choose to buy.
  • Follow our tips on how to maximise your chances of conceiving

    A Body Mass Index (BMI) of under 19 or over 30 can impair fertility. Underweight women often have no periods because they’ve stopped ovulating, and overweight women may also have ovulation problems – sometimes caused by PCOS – making them more likely to have problems conceiving.  

    Forget diets, focus on health

    Reading now