It is common during pregnancy to get stretch marks. As there is a baby growing in your uterus the body grows faster than the skin, making the elastic fiber to break, resulting in stretch marks. You can get stretch marks anywhere in the body and not only in the stomach. The prime location includes arms, hips, thighs and breasts.
Every individual's skin reacts differently. There is no way you can stop, stretch marks. All you can do is keep your skin moisturized and hydrated as much as possible. It will keep itchy skin and dryness at bay. Also keep an eye on your weight gain. Put on weight slowly. Eating for two doesn’t mean, you need to eat a lot. You can also use various kinds of stretch mark removing oil available online or market place to get wonderfull results. 90% of women gets stretch mark by 7th month of their pregnancy and it starts fading after delivery.