What symptom does spermatozoon egg combine to have

summary

We all know that the combination of sperm and egg is pregnancy. Many people want to have their own baby. In order to increase the chance of fertilization, we need to improve the vitality of sperm and egg and promote the movement of germ cells. Now let's share the symptoms of sperm egg combination.

What symptom does spermatozoon egg combine to have

First, the development of the fertilized egg and the implantation egg begin to mitosis after fertilization, and move towards the uterine cavity at the same time. The fertilized egg divides into two cells 36 hours later and 16 cells 72 hours later, which is called morula

Second: on the fourth day after fertilization, the cell mass enters the uterine cavity and continues to develop in the uterine cavity. At this time, the cell has divided into 48 cells. How long does the fertilized egg become a blastocyst for implantation. The blastocyst secretes a hormone that helps it to embed itself in the endometrium.

Third, the blastocyst begins to implantation on the 6th-7th day after fertilization. Most of the implantation sites are in the upper 1 / 3 of the uterus. The completion of implantation means that the embryo has been placed, and the placenta begins to form, giving birth to the fetus.

matters needing attention

Generally in ovulation day about the probability of pregnancy is larger. When the fertilized egg is implanted, some pregnant women will feel the pain of the uterus. It is suggested that relaxing the mood can help to conceive. If you have a history of menopause, you can consider checking urine HCG and obstetric color Doppler ultrasound to make a definite diagnosis!