The early stage of the fertilized egg’s implantation usually does not result in a weak sweat, but if the patient herself has a weak qi and blood or is stimulated by cold and other factors are present, then there may be a manifestation of a weak sweat. If a woman does not use contraception during intercourse, the fertilized egg will usually implant about 7 days after intercourse. After implantation of the fertilized egg, depending on the individual’s condition, different pregnancy reactions such as nausea, regurgitation, and loss of appetite will occur, but usually there is no symptoms of qi or blood deficiency due to physical weakness, which may lead to the appearance of a weak sweat. However, in the early stage of fertilization, some women may have weak qi and blood in their body, or after being stimulated by cold, they may have symptoms of sweating, or they may have loss of appetite and poor diet, which lasts for a longer period of time, and may lead to temporary malnutrition or hypoglycemia, which can cause their body to have sweating. Therefore, some women will also sweat in the early stage of pregnancy and bedtime, which is also a common physiological reaction, pregnant women do not need to be afraid, pay attention to replenish nutrition can be. If 7 days after intercourse, women have no appetite, nausea, vomiting, body fatigue, sweat and other symptoms, you should go to the hospital in time to check, clear the cause of the disease, such as pregnant, need to be under the guidance of the doctor to do a good job in the later stages of care.