Последние добавленные видео:
IVF-and-sperm
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1 year ago
417396 1 year ago 4:02How IVF Works | The Story of Fertility | BBC Earth Science
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2 years ago
47921 2 years ago 2:21Fertilizing an Egg with Sperm in the Lab - ICSI Footage
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10 years ago
3245808 10 years ago 6:43How in vitro fertilization (IVF) works - Nassim Assefi and Brian A. Levine
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2 years ago
1201722 2 years ago 1:15How IVF works | 3D Animation
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3 years ago
413427 3 years ago 5:20How to Improve Sperm Quality & Quantity | Men's Fertility Tips