<Abstrcat>Under the birth control of Margaret Sanger s propagate and the New culture movement s influence, a trend of women liberation was formed characterized by birth control.

Sanger Margaret visiting China, the birth control became one of the hot topics among intellectuals during the May 4th period.

A Research on Birth Control Methods in Modern China

Study on "Birth Control" of 1930s from the perspective of stage characteristics;

A Rethinking of University Student s Sex Ethics-From the Perspective of Birth Control Technology;