Superfetation Twins

Verified cases of human superfetation are rare. While it may be an interesting phenomenon, it isn't one to worry about happening in your pregnancy. www.verywellfa... However, most of the verified cases have been with twins that are only 10 days to three weeks apart, and the reported cases were usually safely delivered. Although two foetus develop simultaneously in superfetation, they differ in maturity, having been conceived days or even weeks apart. Superfetation is observed in animal reproduction, but it is exceedingly rare in humans. Only a few cases are documented in medical literature.
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Breakfast
13/02/2021
The latest news, sport, business and weather from the BBC's Breakfast team. Charlie and Naga.
Duration 240 mins First shown 6am 13 Feb 2021 Expires tomorrow 10am

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Twins with different ages Superfetation refers to the fertilization of a second egg in a woman who’s already pregnant. It’s very rare because women usually stop releasing eggs as soon as they get pregnant. When this happens during the same menstrual cycle it’s called superfecundation. www.healthline.com/health/pregnancy/types-of-twins#unique-fraternal-twins www.huffingtonpost.co.uk/entry/these-super-twins-were-conceived-three-weeks-apart-due-to-a-rare-phenomenon_uk_ The rare phenomenon is known as superfetation - and it recently happened to Rebecca Roberts from Bath. By Rachel Moss 10/02/2021 12:46pm GMT There are few known instances of the rare phenomenon, called superfetation, but one of them is now in the UK. Rebecca Roberts, from Bath, fell pregnant with her daughter, Rosalie, when she was already pregnant with her son, Noah. The 39-year-old found out was expecting twins during her 12-week scan - her partner, Rhys, wasn’t allowed to join the scan due to Covid restrictions.