Maintaining a healthy weight lowers your risk of heart disease, type II diabetes and other obesity-associated conditions. But did you know that obese women are at a higher risk of having a miscarriage?

A research team followed up with nearly 700 women who had had unexplained miscarriages. The researchers determined that, for obese women, the risk of a second miscarriage was 73% higher.

Unless your OB/GYN gives you specific instructions to do so, it's not recommended that you try to lose weight while pregnant. Your best bet is to achieve and maintain a healthy weight before becoming pregnant. AOL Health has tips on diet and fitness to help you.