Jan 09, · Pregnancy affects levels of the hormones estrogen and progesterone in your body. These hormones play an important role in readying the breasts for Author: Corey Whelan. Apr 20, · The breasts change size and shape during pregnancy, breastfeeding, and weaning. These changes can be slight for some women, and very dramatic for others. Hormones, genetics, and weight gain are just some of the factors that determine how much your breasts will grow and change.
Jan 08, · You can expect your breasts to remain large for the first few months of breastfeeding if you're nursing exclusively, though they'll feel softer and smaller after each feeding. While they should shrink a bit once your baby starts solids at around four to six months, you probably won't return to your prepregnancy size until after weaning. Jan 31, · Going up a cup size or two when pregnant is normal for many women, especially if it is their first pregnancy. This growth can begin early on in pregnancy and continue throughout. A Author: Jayne Leonard.