The study will include 600 women opting for medical abortion. Women wanting to perform the last part of the abortion in their homes will be invited to participate. 300 women with a pregnancy up to 9 weeks of gestation (63 days) will be compared to 300 women with a gestation length between 64 and 70 days of gestation. The primary endpoints will be number of patients with an incomplete abortion, with a need for surgical or pharmaceutical intervention.