women 35 and older are more likely than younger women to have an ectopic pregnancy.

http://www.babycenter.com/0_age-and-fertility-getting-pregnant-in-your-30s_1494695.bc

Miscarriage rates also rise slowly but steadily as women age, as do pregnancy-related complications. And women 35 and older are more likely than younger women to have an ectopic pregnancy.