Melanin pigmentation during pregnancy is considered to be related to hormonal changes caused by pregnancy, resulting in pigmentation. It is generally not recommended to use medication or treat it in other ways during pregnancy to avoid affecting the growth and development of the baby. It can be slowly relieved after delivery, or you can wait until after the birth of the baby, weaning, under the guidance of the doctor to give the appropriate drugs or laser treatment to remove. When a woman is pregnant, the hormone levels in her body, such as estrogen and progesterone, gradually increase, which may lead to skin pigmentation. It is recommended to pay strict attention to sun protection during pregnancy to avoid further aggravation of pigmentation. You can eat more fresh vegetables and fruits to replenish the nutrients your body needs. It is not recommended to treat with any medication or physical therapy during pregnancy to avoid affecting the growth and development of the fetus. When the baby is born or weaned, you can combine with the doctor’s advice to give hydroquinone cream, vitamin E cream topical application, can achieve the purpose of improving melanin precipitation. You can also go to the skin or cosmetic surgery department of the hospital, combined with the doctor’s advice, through the intense pulsed light, picoseconds and other lasers on the local treatment, can effectively remove melanin. It is recommended that melanin deposits during pregnancy be handled in accordance with the doctor’s advice, in order to prevent the impact on the pregnant woman and the fetus.