When Tressa and Manuel Montalvo Jr. decided to have another baby, they only wanted to give their two-year-old son a little sister or brother. What they got was two sets of identical twin boys, reports MSN TODAY on February 18.
Tressa gave birth to two sets of identical twin boys by C-section on February 14. While it is estimated that the odds of having quadruplets is 1 in 571,787 pregnancies says MOST (Mothers of Super Twins), the odds of having two sets of identical twins are 1 in 70 million.
Quadruplets, often the result of fertility drugs, can occur in several ways. In rare occasions all four can be identical twins resulting from one egg. More commonly, quadruplets are the result of four eggs, producing fraternal quadruplets who are not identical.
In Tressa’s case, the two sets of identical twins resulted from two eggs, each of which divided to form a set of identical twins. The Montalvo couple was not using fertility drugs.
The couple decided to stick with an alphabet theme, naming the first set of twins Ace and Blaine, who weighed in at 3 pounds 10 ounces and 3 pounds 15 ounces. The second set of twins, Cash and Dylan, weighed in at 2 pounds 15 ounces and 3 pounds 6 ounces.
According to Manuel Montalvo, the father of the twins, the couple isn’t finished yet, as they would still like to have a girl.
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