Los Angeles, California

Seven months pregnant, Rebecca is among the 3% of American mothers who will give birth to twins (out of more than four million babies born in the U.S. each year). The U.S. has the poorest maternity leave benefits–both in terms of duration and percentage of wages paid–of any wealthy country, with all 43 of the developed countries (tier 1) boasting better maternity laws. The U.S. ranks 31 in the Mother’s Index.