Revised and updated in 2020The creator of Twiniversity delivers an essential update to her must-have manual to having twins now with expanded info on twin pregnancy and tandem breastfeeding and advice on the best gear to help save your sanity. With almost two times as many sets of twins today as there were forty years ago What to Do When You're Having Two has quickly become the definitive resource for expectant and new parents of multiples.A mom of fraternal twins and a world-renowned expert on