1. Can I have sex when I am one month pregnant? ——Interpretation of medical experts’ views One month of pregnancy refers to the 4th week after conception, when the embryo has just implanted on the endometrium. Medical experts generally believe that having sex at this time will not affect the embryo, but it is recommended to avoid excessively strenuous sexual behavior to avoid complications such as miscarriage. 2. Can I have sex when I am one month pregnant? ——Interpretation of physiological changes One month after pregnancy, women\’s bodies will experience obvious physiological changes, such as breast swelling and pain, nausea and vomiting, etc.