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(单词翻译)
This is Scientific American’s 60-Second Science, I'm Cynthia Graber. This will just take a minute.
In vitro fertilization(试管受精) efforts can be helped by oddly enough oral contraceptives .That's the finding from Tel Aviv University, site of the largest study on using birth control to help IVF. One of the challenges to IVF is timing1. Current hormone2 treatments to stimulate3 ovulation have to coincide with a particular moment in the women's cycle, not knowing the exact timing for scheduling the egg retrieval and fertilization can be stressful, which can lower the odds4 of success. In the Tel Aviv study, researchers looked at women who underwent a 12 to 17 day treatment of oral contraception.The women were checked to make sure there was absolutely no activity in their ovaries or uterus .Then they began stimulation5 hormones6 to start the clock .Women who went through this protocol7 have similar numbers of pregnancies8 to a control group that didn't use birth control ,which means the oral contraception didn't harm their ability to conceive .The researchers say this treatment demands a slightly longer cycle and higher levels of ovulation-inducing hormones ,but they also say ,it could allow couples to more accurately9 plan for procedures ,which might give couples more peace of mind .
Thanks for the minute, for Scientific American’s 60-Second Science, I'm Cynthia Graber.
1 timing | |
n.时间安排,时间选择 | |
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2 hormone | |
n.荷尔蒙,激素,内分泌 | |
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3 stimulate | |
vt.刺激,使兴奋;激励,使…振奋 | |
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4 odds | |
n.让步,机率,可能性,比率;胜败优劣之别 | |
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5 stimulation | |
n.刺激,激励,鼓舞 | |
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6 hormones | |
n. 荷尔蒙,激素 名词hormone的复数形式 | |
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7 protocol | |
n.议定书,草约,会谈记录,外交礼节 | |
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8 pregnancies | |
怀孕,妊娠( pregnancy的名词复数 ) | |
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9 accurately | |
adv.准确地,精确地 | |
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