when you first get pregnant what happens
The earliest symptoms of pregnancy can appear in the first few weeks after conception. Here's what you might experience, from nausea and tender breasts to dizziness and mood swings. By Mayo Clinic Staff.lassic symptoms of pregnancy. In addition to a missed period, the earliest signs and symptoms of pregnancy might include: 1  Tender, swollen breasts. 2  Early in pregnancy hormonal changes might make your breasts tender, sensitive or sore. 3  Or your breasts might feel fuller and heavier.