Overview
A prospective multicenter cohort study to evaluate effects of prior induced termination of pregnancy on complications and pregnancy outcomes.
Description
A prospective multicenter cohort study to evaluate effects of prior induced termination of pregnancy on complications and pregnancy outcomes.
Eligibility
Inclusion Criteria:
- women have induced abortion in early pregnancy (<12 weeks of gestation).
- permanent population and no tendency to move.
- normal language expression and understanding ability, able to understand research content.
- be able and willing to provide written informed consent and effective contact information, and be willing to cooperate with follow-up investigations.
Exclusion Criteria:
- above the age of 40
- with history of adverse pregnancy and childbirth