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Twin Births

Questions (2)

Explain if quadruplets-four babies born at one birth are always identical or always fraternal, or if they can be either.
1. 2 answers
2. asked by Anon
3. 547 views
Can someone help me start this please:There is some indication in medical literature that doctors may have become more
1. 2 answers
2. asked by LT
3. 529 views