The reason breasts and/ or nipples are often sore, swollen, or tender during early pregnancy is because ...

Pregnancy Symptoms

Signs of Pregnancy ...

15-20 DPO: Some cramping, some nausea, boobs and nipples still very sore, irritable at times, sleepy at 9pm every night.

Noticing the early signs of pregnancy

Early Signs of Pregnancy

pregnancy symptoms and early signs of pregnancy

are sensitive nipples a sign of pregnancy