Nearly 4% of women of reproductive age are infected, as are more than one in 10 police officers and soldiers.

CNN: On the Road Back

Around 10 to 25% of women of reproductive age are estimated to be affected by endometriosis and about two million women in the UK have the condition.

BBC: NEWS | Health | A life plagued by painful periods

Writing in JAMA, the researchers led by Dr Lee Cohen, said the prevalence of depression in reproductive age women, their level of anti-depressant use and the frequency of unplanned pregnancy, it was important to be able to tell patients about comparative risk of relapse linked to stopping or continuing with their medication.

BBC: NEWS | Health | Pregnancy 'no depression guard'

One, in 1996, estimated that 5% of rapes of victims of reproductive age led to pregnancy, based on repeated phone surveys of the same group of women.

WSJ: Pregnancies From Rape Prove Tough to Count