1.The pants of pregnant women can help the heart circulate blood and oxygen.Use our tights during pregnancy to prevent blood from concentrating in veins and reduce the heart rate of mothers and children. 2.The unique design uses soft nylon material to provide comfort, economy and therapeutic effect.This new style is elegant, comfortable and fashionable. 3.This maternity panties can shape the body and obtain the support needed by pregnant women.The soft elastic bag can be easily unfolded, and this super pregnancy underwear will be your partner during the whole pregnancy. 4.Progressive design means that the pressure starts from the ankle and decreases as the leg is raised.Apply appropriate pressure in the correct position. 5.Maternity support underpants combine fashion with effective support.