One of the reasons for the swelling of the pubic area of pregnant women may be due to the slowing down of blood circulation in the pelvis after pregnancy, and the fetus also has a compression effect, resulting in poor blood return and local edema. Another situation may be that pregnant women are prone to vulvovaginitis and vaginitis during pregnancy due to high hormone levels, which can also lead to swelling of the pubic area. Swelling of the vulva, need to go to the hospital for obstetric examination, if the first situation caused by the woman can be appropriate to give cold compresses on the vulva, lying down, can relieve the swelling of the vulva. If it is caused by the second situation, you need to carry out a vaginal secretion examination, according to the specific circumstances of the gynecological lotion for pregnant women as well as anti-inflammatory drugs for local treatment. Women in pregnancy should also pay attention to keep the vulva clean and hygienic, can not stand for a long time or walk too much, sitting can be appropriate to elevate the lower limbs, in order to reduce and alleviate the occurrence of vulvar edema.