Objective:To discuss the meaning of the physic examination before pregnancy about healthy birth and child development and the methods of developing health care before pregnancy.

目的：探讨孕前医学检查对优生优育的意义和开展孕前保健工作的方法。

youdao

Objective:To discuss the meaning of the physic examination before pregnancy about healthy birth and child development and the methods of developing health care before pregnancy.

目的：探讨孕前医学检查对优生优育的意义和开展孕前保健工作的方法。

youdao