What are the symptoms of gestational sac implantation?

Pregnancy is a process of nurturing life. The egg is usually released during the ovulation period, and the sperm and egg combine to complete the entire fertilization process. Finally, the gestational sac implants in the uterine cavity and gradually develops into a complete fetus. So how do we determine whether the gestational sac is implanted? What are the symptoms of gestational sac implantation? I believe this is something that many friends are curious about. Next, I will give you a detailed introduction, and I hope it can help everyone.

Implantation refers to the process in which the blastocyst invades the endometrium through interaction with the endometrium. The fertilized egg enters the uterine cavity on the 3rd-4th day after fertilization and wanders in the uterine cavity for 2-3 days. The blastocyst then breaks out of the zona pellucida to reveal the trophoblast on the surface. The loss of the zona pellucida in the blastocyst improves implantation ability. After the blastocyst enters the uterine cavity, it will stay in the uterine cavity for a few days in order to find a suitable position for invasion. Only after implantation can the fertilized egg obtain sufficient nutrients from the mother's blood to meet the needs of the embryo to develop into a full-term fetus. The implantation process involves quite complex morphological, physiological and biochemical changes.

Conception is a special process. The fertilized egg proceeds almost silently from fertilization to implantation. Except for a few pregnant women who have physiological implantation bleeding and slight cramps, few women can feel it themselves, especially young women who have no pregnancy experience. When they suspect they are pregnant, they always have such questions: What are the symptoms when the fertilized egg implants? Can I feel it? I want to use this to preliminarily judge whether I am pregnant.

Do you often feel tired? Are you always full of energy, but suddenly feel exhausted? The large amount of progesterone (a hormone) secreted can make you feel exhausted. Almost all pregnant women suffer from this symptom, and you can observe other symptoms to confirm your suspicion.

Have you become a frequent visitor to the toilet? Getting up in the middle of the night to go to the toilet? Blame the little life in your belly! After the fertilized egg implants in the uterine wall, it begins to secrete human chorionic gonadotropin (hCG). If you're tired of getting up in the middle of the night to go to the bathroom, don't worry. Just think of this as training, because in the future, before you know it, your little one will be crying in the middle of the night and saying he's hungry.

Do you have any bleeding or cramping? In the eight days following ovulation and implantation, you may experience light pink or brown staining, and cramping may accompany this. There may be some spotting during the menstrual period, but this is not a true menstrual period. This is the result of a fertilized egg implanting in the uterine lining.

Have your nipples changed color? What about your breasts? If you've noticed your areolas have darkened or there are blue and pink lines running down your breasts, it's probably not your imagination. These are all symptoms of pregnancy.

Or have you ever had a craving for pickles? You think it's old wives' tale, but many people actually believe it's a symptom of pregnancy. Although this is not a reliable symptom, it can provide you with a reference.

This is all we have to say about the symptoms of fertilized egg implantation. For more pregnancy knowledge, female friends should take the initiative to learn more and learn to take care of their own health.