Wednesday, January 26, 2011
Superfecundation
6:46 AM |
Posted by
Arif Siregar |
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Superfecundation refers to two ovum fertilization in the short term, but not at the same time that coitus and not necessarily by sperm from the same man. Ovum twins may not be fertilized by sperm from the same ejaculat, but this fact can be proved only in special circumstances.
One example superfecundation ever recorded, a mother was raped on the 10th day of menstrual cycle and having sex with her husband a week later. By aterm, she gave birth to a black baby with blood type A and a white baby with blood type O. Blood type woman and her husband is O.
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