Level 1: Signs of early pregnancy 1. Delayed menstruation After pregnancy, the hormone levels in a woman’s body will change, causing the menstrual cycle to change or even stop completely. If your menstrual cycle is usually regular but this time it\’s delayed, you may be pregnant. 2. Breast swelling and pain In the early stages of pregnancy, hormone levels in women’s bodies will rise, leading to an increase in breast tissue. This kind of