There are various early pregnancy reactions after pregnancy, mainly in the digestive system, urinary system and breast changes. The main symptoms include coldness, dizziness, weakness, drowsiness, poor appetite, preference for acidic food, morning sickness, self-conscious breast pain, visible veins on the breast, enlarged nipples, tenderness, deepening of areola color, etc. Dark brown nodules may also appear around the areola due to sebaceous gland hyperplasia, which is called Montserrat’s nodules. As mentioned above, there are various early pregnancy reactions, but if you want to confirm whether you are pregnant, you need to take a urine pregnancy test or go to the hospital for an ultrasound.