After intercourse during ovulation, the fertilized egg will show certain signs after successful implantation, such as physiological bleeding, breast swelling, abdominal discomfort, drowsiness, lumbago, etc. The most significant sign is the absence of menstruation, in addition to the following signs: 1. nausea and regurgitation: in the early stage of conception, the chorionic gonadotropin content in the human body begins to rise, the higher the level of this hormone, the more likely to feel nauseous and regurgitated; 2. Breast swelling: after conception, the female body will secrete more estrogen and progesterone, which will promote the growth of breast glands, thus causing breast swelling; 3. Increased leucorrhea: the estrogen secreted during pregnancy can promote the secretion of mucus from the endometrial glands, and the blood flow to the cervix and pubic area of pregnant women will be strong and water will increase, and thus the secretion and leucorrhea will also increase; 4. Slight bleeding or cramping: the fertilized egg Around the 8th day after implantation, slight symptoms of spotting and bleeding will appear, and at the same time, cramps will come with this condition, which is a sign that the fertilized egg is implanted in the uterus; 5. Easy fatigue: after conception, a large amount of luteinizing hormone will be secreted, which will make the pregnant woman feel very tired, and most pregnant women will have this symptom.