It may be normal for the breasts not to be swollen and painful at 14 weeks of pregnancy, but if it is accompanied by vaginal bleeding and abdominal pain, then it is not normal. Generally, before the 12th week of pregnancy, the pregnancy reaction is relatively strong, after 12 weeks the pregnancy reaction will gradually reduce, the phenomenon of breast swelling and pain will also gradually be relieved. This is a normal physiological reaction, related to changes in hormone levels in the body, without special treatment. If you are 14 weeks pregnant and your breasts are not swollen and painful, but accompanied by abnormal vaginal bleeding, abdominal pain, lumbago and other symptoms, it is considered abnormal, it may be a miscarriage, ectopic pregnancy, biochemical pregnancy, etc., and when estrogen and progesterone levels decline, the pregnancy reaction will gradually reduce, or even disappear. If you are currently 14 weeks pregnant, it is recommended that you go to the hospital regularly for a maternity checkup to learn about the development of the embryo, including ultrasound, color ultrasound, Down’s syndrome screening, etc., and target treatment according to the diagnostic results.