 [ Symptoms ] at what point do the early symptoms of pregnancy begin  is the earliest sign of pregnancy a missed period or are there observable symptoms of fertilization andor implantation that can occur before a period is missed how early in a pregnancy can the usual symptoms start     thank you <positive_smiley> [ Disease ] every woman is different but most symtoms start about 4 to 6 weeks after conceiving as far a being fertile your body temp will go up a few degrees while ovulating hope this helps