"I am 15 1/2 weeks pregnat with twins. My great grandmother had 12 children. Two sets of twins (one fraternal, and one identical.) My husbands grandfather is an identical twin. I pretty much thought it was all hereditary. I am overweight though. I am 5'2" and weigh 186 right now. So maybe that contributed." -- Heidi
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How to Have Twins: Reader Submissions - - Heredity & Weight
Reader Submissions: Heredity & Weight
By Pamela Prindle Fierro, About.com
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