Did the baby implant at 4 weeks of pregnancy?

The implantation of the embryo combined with sperm and egg means that the test tube embryo has been formed. Then, the test tube embryo begins to grow and develop. This is the moment that most women who are preparing for pregnancy hope for, which means that they can give birth to a healthy baby in ten months. However, it is inevitable that pregnant women will cause a lot of trouble during their first pregnancy, which is worrying. But many people want to know, when does the embryo implant in the early pregnancy?

Embryo implantation refers to the process in which the test tube embryo "takes root" in the pregnant mother's uterus, establishes the connection between the test tube embryo and the pregnant mother, and completes the exchange of nutrients, CO2 and other substances. After the embryo implants, the test tube embryo will begin to absorb the nutrients and oxygen from the pregnant mother and continue to grow. Embryo implantation is actually the result of mutual cooperation. 9-11 days after a woman's ovulation, the sperm and egg combine to begin embryo implantation.

Moreover, many people regard embryo implantation as the first day of pregnancy, and then the woman begins a difficult pregnancy for ten months and then gives birth to a baby. Generally, embryo implantation means that a woman can successfully become pregnant. At this time, pregnant women need to start taking care of the fetus. In addition, some symptoms may appear when the fertilized egg implants, such as amenorrhea. Amenorrhea can be said to be the first sign of early pregnancy. Many women who have sex check whether they are pregnant when they find that they have not had their menstruation.

Therefore, if a woman has not had her period for more than half a month, it is best to go to the hospital for a check-up to ensure that she is indeed pregnant. In addition, women will gradually experience symptoms such as nausea and retching, and their appetite will change, and they will like to eat sour and spicy foods. In addition, the breasts will become more and more swollen and painful to the touch, but this phenomenon will subside after the hormone level in the body stabilizes.