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Texas Mom Delivers Two Sets of Identical Twins
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FEBRUARY 19, 2013
Katie Moisse, ABC News Blogs

A Texas couple trying to give their son a little sister gave him four brothers instead, beating the odds to deliver quadruplets - two sets of identical twin boys conceived at the same time.
Tressa Montalvo, 36, gave birth to quadruplets Ace, Blaine, Cash and Dylan on Valentine's day, according to a statement from The Woman's Hospital of Texas in Houston. Ace and Blaine shared one placenta, while Cash and Dylan shared another.
Montalvo and her husband, Manuel Montalvo Jr., 43, thought they were having twins until their doctor detected a third fetal heartbeat. They were then referred to a maternal fetal medicine specialist, Dr. Brian Kirshon, who found a fourth heartbeat.
Read more: Yahoo News