怎样选择最佳生育年龄受孕时机种种看法的驳正生理状态与受孕要注意环境因素对生育的影响怎样才能达到优生?怎样选择最合适的受孕时机了已成为越来越多的年轻夫妇十分关心的问题,也是科学家们正在进行研究的课题。我们经常收到一些读者来信,希望知道在孕 How to choose the best fertility age Pregnancy timing of all kinds of views of the refuted Physiological state and pregnancy should pay attention to environmental factors on fertility How to achieve eugenics? How to choose the most suitable timing of pregnancy has become more and more young couples are very concerned about The problem is also the subject of ongoing research by scientists. We often receive letters from some readers who want to know that they are pregnant