研究员们对女性一个生理周期内的六天进行测验，时间持续六个生理周期或者直到妇女怀孕。
Researchers carried out the tests on day six of each woman's menstrual cycle for six cycles or until the woman fell pregnant.
当你尽力去怀孕的时候，尝试和测验之间的时间有时感觉似乎是没有终止的。
When you are trying to conceive the window between the trying and the testing sometimes feels like an eternity.
当你尽力去怀孕的时候，尝试和测验之间的时间有时感觉似乎是没有终止的。
When you are trying to conceive, the window between the trying and the testing sometimes feels like an eternity.
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