The 5 weeks of pregnancy is counted from the time of menopause and the 5 weeks of conception is counted from the day of intercourse during ovulation. For women with a menstrual cycle of about 28 days, the difference between the time of pregnancy and the time of conception is about 2 weeks, which means that the time of conception is 3 weeks at 5 weeks of pregnancy. The 5 weeks of pregnancy belongs to the early stage of pregnancy, you can use the early pregnancy test paper to test the urine to determine the pregnancy, some women have already started to show pregnancy reaction, manifested as nausea, vomiting, reduced appetite and other symptoms, ultrasound examination in the uterine cavity can not see the gestational sac, 5 weeks of conception is equivalent to about 7 weeks of menopause, you can detect the size of the gestational sac through ultrasound, the yolk sac and primitive heart tube pulsation are already visible. It is recommended to pay attention to rest in early pregnancy, avoid overexertion, do not take drugs at will, try to avoid ionizing radiation, focus on a light diet, prohibit intercourse and regular pregnancy tests.