More than eight million induced abortions are performed in China every year, 50 percent of them not being the woman's first, according to a survey, Xinhua News Agency reported.

The more abortions a woman has, the more likely she is to suffer from diseases caused by abortions, said Cheng Linan, an expert with the Chinese Medical Association.

About 88 percent of the infertile women in China have experience of abortion.

The rate of miscarriage for those who have repetitive abortions is 2.5 times that of women who have never had an abortion, and their rate of premature delivery is 5.44 times that of women who have had one abortion.