Dr. Jacquelyn Means knew that being pregnant in her late 30s would be challenging . “It is definitely harder on your body. You just feel a lot more fatigued. There are certain complications to watch out for,” said Means, a Texas OB-GYN who had her first child at 37 and her second at 39. “It’s usually going to be fine, but there are things to be aware of.” Like Means, more and more women are having babies later in life. A federal report showed that 21% of all births in the U.S. were to women 35