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A 22 yo women is pregnant with twins, Transvaginal US shows one gestational sac and two embryos. 1. At which time after fertilization did separation of embryos most likely occur? 2. What is this called? 3. separation at 0-3 days is called what? 4. Seperation 4-8 days is called what? 5. Sepeartion after 12 days is likely to cause what?

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The development of the reproductive system begins with the formation of undifferentiated gonads and the paired mesonephric and paramesonephric ducts.


1. A 22 yo women is pregnant with twins, Transvaginal US shows one gestational sac and two embryos. 1. At which time after fertilization did separation of embryos most likely occur? 2. What is this called? 3. separation at 0-3 days is called what? 4. Seperation 4-8 days is called what? 5. Sepeartion after 12 days is likely to cause what?





 
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