Yes, you read it right! A British woman has given birth to "super twins" she conceived three weeks apart, a condition known as superfetation.
During her first visit, her doctor confirmed a single baby, but after 12-weeks that she went back for scan Rebecca Roberts' doctor revealed a shocking discovery.
"The sonographer looked at me and was like, 'Do you know you're expecting twins?" she told the Washington Post.
Baby Noah spent his earliest weeks all alone, then later his little sister joined him in the womb, named baby Rosalie.
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| Credit: roberts.supertwins / Instagram |
Rebecca, 39, was diagnosed with superfetation, the formation of a fetus while another fetus is already present in the uterus.
“We were concerned because the second twin was much smaller. It was only by regularly scanning and seeing that the rate of growth was consistently three weeks behind that we realized it was superfetation,” Roberts' obstetrician David Walker told the Washington Post.
The pregnancy is one of the few cases recorded. Baby Rosalie was conceived about three weeks after Noah. Usually, fraternal twins like Noah and Rosalie, eggs are released at the same time, fertilized and the embryos implant in the uterus at the same time.
On their case, two eggs were released three weeks apart, each embryo implanting in the womb separately.
In 2008 report published in the European Journal of Obstetrics & Gynecology and Reproductive Biology, fewer than 10 cases have been recorded at the time.
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