Found this wonderful article at babyzone.com. One Mom. Two Babies. Two Due Dates.
Julia Grovenburg is expecting a baby girl on December 24, 2009. But in a rare medical twist, Grovenburg is also pregnant with a baby boy, due January 10, 2010. How is this possible? Some experts think the two pregnancies are an extraordinarily rare example of the condition known as superfetation, or conceiving while pregnant. Dr. Karen Boyle, of the Greater Baltimore Medical Center, told ABC News," When the woman had her ultrasound initially, they saw that
baby had a certain gestational age; then they noticed a second heartbeat in a child that was much, much younger developmentally." Superfetation is suspected because fetal size and development tend not to vary early on in pregnancy, though twins and other multiples may differ widely in size at birth. Ultrasounds show the two babies are developing normally—and at a consistent pace of 2.5 weeks apart. Conception sparks powerful hormonal changes that prevent the fertilization and implantation of a second embryo, even in the rare instances when a woman ovulates twice during one monthly cycle. Testing after the babies are born should confirm whether they were conceived at different times. Worried this will happen to you?Me? Me, worry? If this happens to me, its like winning the jackpot!
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