Tanya Selvaratnam wrote the book ` ` The Big Bang '' about the ` ` reality of the biological system '' Despite what celeb magazines say , it 's harder to get pregnant after age 40 , she says . Jane Seymour had twins at 45 and Mariah Carey birthed hers at 42 . Selvaratnam : ` ` We are the new pig generation for testing the limits of our fertility ''
Tanya Selvaratnam wrote the book ` ` The Big Bang '' about the ` ` reality of the biological system '' Despite what celeb magazines say , it 's harder to get pregnant after age 40 , she says . Selvaratnam : ` ` We are the new pig generation for testing the limits of our fertility ''