Twin births are definitely on the rise, mainly as a result of the increased use of fertility treatments. How do common treatments such as Clomid, or in-vitro fertilization contribute to this rise in multiple births? What new medical advancement is resulting in fewer embryo transfers with a higher singleton success rate? And what are many fertility specialists not telling their patients when it comes to conceiving multiple babies?Learn more about your ad choices. Visit megaphone.fm/adchoices