Pregnant women are easy to hide dirt in the navel, if not cleaned in time, may produce odor, generally need to use water to clean or wipe, do not recommend the use of detergents or direct hand picking, so as not to cause bacterial infection. Early, mid-pregnancy when pregnant women navel may be deeper, you can first in the navel in a small amount of warm water, lying down for half an hour, so that the navel in the dirt to be dissolved, and then gently wiped clean with a cotton swab. As the uterus increases, some pregnant women may appear navel protruding phenomenon, this situation is easier to clean, you can wet the navel in the shower, and then gently wipe with a cotton swab. If the navel dirt is more difficult to clean up, you can first use a warm towel in the navel area for wet compresses, soften the local dirt, you can use sterile cotton swabs to wipe away the dirt. After wiping the dirt also need to use alcohol or povidone iodine solution on the navel area for sterilization, to prevent pathogenic bacteria infection. When wiping with a cotton swab, be careful not to use excessive force to avoid damage to the navel area skin mucosa. Pregnant women usually need to pay attention to the navel area hygiene, often wash and keep the local dry. Daily diet should pay attention to not too greasy, can reduce the navel area oil secretion.