I forgot to mention - she's overweight, not underweight, hence the diet. We have since read that Atkins (low Carb) diet releases oestrogen in the body.<br>This seems to make sense.

Hi,<br> I'm worried. My girlfriend who is 36, stopped having periods almost a year ago - but this week she had one. Recently she has been on a diet (Atkins) and has taken up tennis for exercise. Not sure if this has anything to do with it. Does this lack of periods mean that we won't be able to have ...