Chest pain is not necessarily pregnancy, there will be chest pain in the early stages of conception, but breast enlargement, endocrine disorders, disruption of hormone level secretion may lead to chest pain, and some breast fibroids may also affect. To consider whether you are pregnant, you need to integrate your menstrual cycle. If there is a delay in your regular cycle and you have sex without contraception, pregnancy is usually considered. If pregnancy is the cause of breast pain, your own early pregnancy test paper, morning urine can test for two bars or a plus sign. The main diagnostic criterion for pregnancy is to see early pregnancy in the uterus through an ultrasound. Early pregnancy reactions in early pregnancy also vary from person to person, some people will have chest pains and some may not have chest discomfort. Some people will have chest pains before they get their period soon, and then the period clears and the chest pains will get better naturally.