1st Symptoms Of Pregnancy 1st Symptoms Of Pregnancy Symptoms of pregnancy: What happens right away - MayoClinic.com Symptoms of pregnancy: What happens right away - MayoClinic.com Symptoms of pregnancy can begin before your first missed period. Consider these classic clues. Your breasts may provide one of the first symptoms of pregnancy. As early as two weeks after conception, hormonal changes may make your breasts tender, tingly or sore. Or. Sometimes a small... read more