s no proof that the chemicals in hair
bleach --like peroxide or
ammonia --cause birth defects, miscarriages, or any other complications, there are also no reliable studies that prove that bleaching your body hair is totally safe. Since it's likely that these chemicals will be absorbed through the skin and can reach your baby, it's best to avoid using them --especially in the first trimester, when much of your baby's crucial development is taking place.