A lot of women experience tenderness of the breasts early in pregnancy and then have some increase in breast size as the pregnancy progresses. Labor begins when the baby decides it is time to be born. Progesterone levels drop, the amniotic sac ruptures, the mucous plus is expelled and contractions start. These are all undeniable signs of labor.
Swollen breast are the signs of lactating, not labor. From experience, you'll know when you are in labor if your water breaks or if your contracting every few minutes. The pain will let you know when it is really time. The intense pressure is what to look for. But it's not swollen breast.
No, swollen breast(s) are NOT a sign of labor. Some signs of labor include: slightly bloody discharge(mucous plug), lower back discomfort, and contractions that start at the TOP of your stomach and move down. Contractions will cause your belly to become hard as the muscles in uterus tighten.
No, but it is a sign that you are getting closer. Either your water will break and you will have a large gush of fluid, or you will begin contractions. They are very painful and start to come quicker and quicker. You will know.