Pregnant women have black hard scabs in the navel, this is a normal physiological phenomenon, and usually do not pay attention to good navel cleanliness and hygiene, the accumulation of dirt to form black hard scabs related. This is a normal physiological phenomenon, which is related to the accumulation of dirt and black crusts in the navel. Generally, it will not affect the health of pregnant women, so it can be observed first without treatment. If symptoms such as pain, bleeding and oozing occur, you need to consult a doctor. If the hard scab is relatively large, it can also be removed with the help of family members. First, use a cotton swab dipped in warm boiled water to soak the black hard scab several times, and when the black hard scab is fully softened, use small tweezers to gently clip out the softened black hard scab, and then disinfect it with iodine povidone to keep the wound clean and dry. If you can’t remove the black scabs completely, you can do it several times, and operate gently to avoid damaging the surrounding skin, resulting in skin bleeding and infection. Pregnant women have black hard scabs in the navel if adverse reactions occur and symptoms can not be relieved, it is recommended to seek timely medical treatment.