Armpit pain is not a sign of pregnancy, there is no clear connection with pregnancy, can not diagnose pregnancy, mostly caused by other reasons, if you want to clarify whether the pregnancy is recommended to consult a doctor to find out. Armpit pain can be caused by prolonged incorrect posture, mechanical pulling, pre-menstrual period, mental stress and other physiological factors, and can also be seen in a variety of diseases, such as folliculitis, lymphadenitis, purulent sweat, breast infection, breast hyperplasia and so on. However, no study has shown a link between axillary pain and pregnancy. Armpit pain is not a sign of pregnancy. If you want to find out whether you are pregnant or not, it is recommended that you consult a doctor for a blood or urine HCG (human chorionic gonadotropin) test or an ultrasound to avoid making blind judgments on your own.