The risk of cervical damage is greater for teenagers, for second trimester abortions, and when practitioners fail to use laminaria for dilation of the cervix. Abortion increases the risk of placenta previa in later pregnancies (a life threatening condition for both the mother and her wanted pregnancy) by seven to fifteen fold.Major risks and complications of abortion are described, with citations to the medical literature, below.
Printable Fact Sheets Psychological Complications More articles and research on abortion risks Abortion Approximately 10% of women undergoing induced abortion suffer from immediate complications, of which one-fifth (2%) were considered major.
 However the majority of complications take time to develop and will not be apparent for days, months or even years.
Abnormal development of the placenta due to uterine damage increases the risk of fetal malformation, perinatal death, and excessive bleeding during labor.
 Women who had one, two, or more previous induced abortions are, respectively, 1.89, 2.66, or 2.03 times more likely to have a subsequent pre-term delivery, compared to women who carry to term.
For a complete review of the literature see Deaths associated with abortion compared to childbirth: a review of new and old data and the medical and legal implications (2004).
Women with a history of one abortion face a 2.3 times higher risk of having cervical cancer, compared to women with no history of abortion.Lesser lacerations, or micro fractures, which would normally not be treated may also result in long term reproductive damage.Latent post-abortion cervical damage may result in subsequent cervical incompetence, premature delivery, and complications of labor. PID is a potentially life threatening disease which can lead to an increased risk of ectopic pregnancy and reduced fertility.Of patients who have a chlamydia infection at the time of the abortion, 23% will develop PID within 4 weeks. Such an examination may be useful when beginning an abortion malpractice suit.