It is important to achieve and maintain a healthy weight before during and after pregnancy by eating healthy being physically active and gradually losing weight after pregnancy. A healthy pregnancy depends on: the mother s pre-pregnancy weight; and the amount of weight gained during pregnancy The Institute of Medicine (IOM) recommends healthy weight gain during pregnancy depending on the pre-pregnancy BMI (Body mass index). The general recommendation is 0.5 to 2.0 kg weight gain in first trimester and 0.2 to 0.5 kg/week in the second and third trimester depending on the BMI. Being obese pre-pregnancy could increase the risk of