Today's methods of birth control make it possible for a couple to choose whether or not to have a child.

如今的节育措施使一对夫妇可以选择是否要生育孩子。

《柯林斯英汉双解大词典》

The first cause of the liberation of women was the development of effective birth-control methods, freeing women from the endless cycle of childbearing and rearing.

妇女的解放首先起因于有效的节育措施的出现，从而将女人从生养孩子的无尽循环中解放出来。

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So you're probably not going to tell a 13-year-old necessarily all about different methods of birth control.

因此你可能不必告诉一个13岁的孩子关于生育控制的所有不同的方法。

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As a veterinarian, Travis said his interest in wildlife conservation got him into reproductive biology and research aimed at fighting infertility and exploring birth control methods.

MSN: Scientists look to sperm to power nanobots

The bottom line is that the use of reliable birth control is the best way to prevent an unintended pregnancy, but the fact is that unprotected sex does occur and sometimes birth control methods do fail.

CNN: Morning-after pill a boon for women

Not all methods of birth control will qualify for the deduction.

FORBES: Ask TheTaxgirl: Deducting The Cost Of Birth Control