Level 1: Early signs of pregnancy less than one month old. Early signs of pregnancy less than one month old refer to the physical symptoms that appear within a month after conception. These symptoms may vary from person to person, but most women will experience symptoms similar to those of PMS, such as breast tenderness, abdominal bloating, dizziness, etc. Level 2: Hormonal changes in less than one month of pregnancy. Less than one month into pregnancy, hormonal levels in women begin to change. These changes may result in a range of physical, emotional, and