There are 185 nations studied in the International Labour Organization's report, Maternity and paternity at work. "Oman, New Guinea and the United States are the only ones without a guarantee of paid maternity leave. In the States, if you have worked long enough for a company with 50 or more employees, you get 12 weeks of unpaid leave to care for a newborn, adopted or foster child. Only in California, New Jersey and Rhode Island is any provision made for paid leave in these circumstances."
Read more in the Daily Kos.