Julia Grovenburg from Arkansas is pregnant with two babies, however they are not twins and were conceived more than two weeks apart. The second child is roughly three weeks behind in development compared to the first child.http://www.abcnews.go.com/Health/ReproductiveHealth/twins-conceived-weeks/story?id=8656369
Known as superfetation, this is a rare case, generally only seen in animals, with only around 10 cases reported in humans. The Grovenburgs' story was featured on Good Morning America on September 24, 2009.http://www.abcnews.go.com/Health/ReproductiveHealth/twins-conceived-weeks/story?id=8656369
References
Fast Facts
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Julia Grovenburg is pregnant with two babies, but they are not twins
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Husband
Todd Grovenburg
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Babies were conceived two-and-a-half weeks apart
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Rare condition is known as superfetation, meaning to become pregnant while already being pregnant
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Generally only seen in animals, with around 10 reported cases in humans
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Couple resides in Fort Smith, Arkansas
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Plan to name the first child, a girl, Jillian
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Second baby, a boy, will be named Hudson
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First ultrasound showed one fetus, subsequent ultrasounds showed two
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Could be dangerous for the younger child, who is likely to be born premature, at the same time as the first
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Older child expected in late 2009, younger in early 2010
