Effects of Prior Induced Termination of Pregnancy on Complications and Pregnancy Outcomes.

Effects of Prior Induced Termination of Pregnancy on Complications and Pregnancy Outcomes.

A prospective multicenter cohort study to evaluate effects of prior induced termination of pregnancy on complications and pregnancy outcomes.

A prospective multicenter cohort study to evaluate effects of prior induced termination of pregnancy on complications and pregnancy outcomes.

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