Methods and precautions for taking a mugwort bath to prepare for pregnancy: 1. Choose suitable mugwort. The types of mugwort suitable for use during pregnancy preparation mainly include mugwort leaves, mugwort pods, etc. Mugwort leaves have the effects of warming the menstruation, dispersing cold, promoting blood circulation and removing blood stasis, while Mugwort leaves nourish the blood, regulate menstruation, warm the kidneys and warm the palace.