The fertilized egg implants approximately after fertilization

How many days does it take for the embryo to implant? It takes 6-7 days for the embryo to implant. 3-4 days after the embryo implants (equivalent to about the tenth day after ovulation), a weak positive result can be detected using an early pregnancy test. When the embryo implants, your body temperature will drop during ovulation. Some people will experience implantation bleeding, while others will have cold symptoms. Careless women can easily miss this strange change.

How many days does it take for the embryo to implant?

1. Accurate positioning: The zona pellucida disappears before embryo implantation, and the late-stage blastocyst touches the uterine wall with its inner cell mass.

2. Adhesion: After the late-stage blastocyst adheres to the uterine wall, the surface layer of trophoblast cells is the metamorphosed trophoblast layer, and the inner layer is the somatic trophoblast layer.

3. Invasion: The transformed trophoblasts secrete proteinases to dissolve the uterine wall cells, interstitial space and blood vessels, completely bury themselves in the uterine wall and are covered by the endometrium.

What are the feelings when the embryo implants? What are the feelings when the embryo implants? After the embryo implants, most people do not feel any obvious feeling, and a few people will experience physiological implantation bleeding and mild muscle cramps. In the following period of time, you will gradually feel a series of symptoms appearing, making you feel that you are pregnant.

1. Feeling nauseous and wanting to vomit. Some people begin to suffer from morning sickness in the first few weeks after pregnancy. You may feel nauseous or vomiting, and although morning sickness is also called "morning sickness," nausea and vomiting are not limited to the morning. You may feel nauseous all day and all night long.

2. The breasts become softer. If your breasts feel tender, soft, and swollen, you may be pregnant. This type of symptom may appear in the first few days after pregnancy. After your body absorbs a large amount of testosterone, this pain will disappear and your breasts will no longer feel uncomfortable.

3. Feeling tired. A lot of metabolism of luteinizing hormone (a male hormone) can make you feel exhausted. Almost all pregnant women suffer from this symptom, and you can observe other symptoms to confirm your suspicions.