1947年(当时人工流产已经合法化)到1957年间，因为流产手术，出生率减半。

Between 1947 (when abortion was legalised) and 1957, the birth rate was cut in half due to abortions.

youdao

之后，堕胎合法化及节育措施开始影响日本的人口出生率。

Then, legalized abortion and birth control began to reduce the birth rate.

youdao

之后，堕胎合法化及节育措施开始影响日本的人口出生率。

Then, legalized abortion and birth control began to reduce the birth rate.

youdao