Try to control your pregnant weight, for the American ob, a normal weight pregnant woman can gain between 25-35 pounds. My height is 168 cm, and pre-pregnant weight was 120 pounds, and i gained too much weight, that was about 52 pounds, during the nine months period. My OB told me to watch out my intake and not to gain too fast. It is always a risk of getting diabetes. And if you concern about your appearance as well, it is wise too gain the recommended extra pounds, so it is easy for you to go back to your pre-pregnant weight. It took me a diet and exercise plan for seven months to lose all the baby weight on me, and it is kind of hard and i am not enjoy it.