Why does it take 12 days to detect blastocysts?

Why does it take 12 days to detect blastocysts?

The embryo was not detected until twelve days later, which may be due to slow growth. In addition, everyone's conditions are different, so there are certain differences in growth and development. It is best to go to the hospital for B-ultrasound examination regularly. As long as the child develops normally, it is fine. Pay attention to rest during pregnancy, it is best to improve nutrition and diet, it is best not to stay up late, and do not eat spicy and irritating foods. It is best to eat more vegetables and fruits during pregnancy to supplement vitamins and improve early pregnancy reactions. Effective folic acid supplementation is required in the early pregnancy to prevent fetal malformations. It is recommended to do a good job of prenatal checkups.

It is also normal for the embryo to be tested on the 10th day, because when doing in vitro fertilization, the test tube is transplanted into the uterine cavity. Some may be affected by the environment of the uterine wall, and the estrogen secreted by the corpus luteum of the ovary increases. Some may grow later, and some may even take 15 days for the embryo to develop. Therefore, the secretion of growth hormone may be delayed. Therefore, after the test tube transplantation, you must rest in bed appropriately according to the regulations, eat some nutritious porridge, and fresh fruits and vegetables to relieve stress and do not be overly anxious.

Generally speaking, it usually takes about 10-12 days for most people, from fertilization to sperm and egg fusion and then to testing with a pregnancy test strip. Little do people know that some people have unique standards. On the Internet, some mothers said they were able to accurately measure within 7 days of pregnancy. From the perspective of scientific research, this is also possible.

The sperm and egg have no contact with the mother before implantation, so we have no way of knowing its existence. Now, we can more accurately calculate how many days after intercourse it will take to get pregnant because we can detect the presence of this hormone. So, when can you test for pregnancy? Generally speaking, most women can test whether they are pregnant within one week to 10 days of the actual pregnancy period.

Once the male sperm and egg cell successfully fertilize, the pregnant woman's embryo will secrete a special substance called human chorionic gonadotropin 7-10 days after the sperm and egg combine and embed into the uterine wall, which is generally referred to as HCG in medicine. One week after pregnancy, the presence of this hormone can be detected in women's urine, but this substance is secreted very little in the early stages and cannot be detected. This is very obvious during the 10-14 days of pregnancy.

Generally speaking, after about 18 days of normal sexual life, the couple can determine whether they are pregnant by testing urine, especially morning urine. After the couple has sex, pregnancy can be detected within the first week and at the latest about 3 weeks.

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