The process of IVF
IVF is a kind of assisted reproduction technology, which combines eggs and sperm in the laboratory and cultivates a fertilized egg, and then transplants the fertilized egg into the female uterus, so as to realize the process of pregnancy and pregnancy. The whole process of IVF can be divided into the following stages:
1. Early preparation
Before IVF, women need to carry out a series of examinations and assessments to determine their fitness for IVF. These examinations include blood examination, endocrine examination, pelvic ultrasound, etc., which are used to assess ovarian function, endometrial status and ovulation. At the same time, men also need to have a sperm quality check.
After confirming that both parties are in good physical condition, the doctor will formulate corresponding treatment plans, including using ovulation promoting drugs to improve the production and quality of eggs, and determining the time suitable for in vitro fertilization or minimally invasive surgery to collect eggs.
2. Egg taking and fertilization
At the right time, women will undergo egg retrieval surgery. Under the guidance of vaginal ultrasound, a slender needle is introduced into the ovary to collect mature eggs. This process is usually carried out under local anesthesia or general anesthesia to ensure women's comfort.
After egg collection, the doctor will immediately combine the sperm sample provided by the man with the egg for in vitro fertilization. In the laboratory, eggs and sperm are placed in a special culture dish to let them naturally fertilize.
Normally, the day after fertilization, the doctor will review the fertilized eggs in the petri dish and select the most promising embryos for transplantation.
3. Embryo culture and selection
Before transplantation, embryos need to be cultured in the laboratory. Usually the embryo will continue to develop in the culture dish for 2 to 6 days, depending on the decision between the doctor and the patient. During this period, doctors will regularly check the development of embryos to assess their quality and development potential.
In order to improve the success rate, doctors may choose to transplant multiple embryos into a woman's uterus. However, this may also lead to the risk of multiple pregnancy, so it is necessary to make trade-offs and decisions according to the specific situation of each patient.
4. Transplantation and pregnancy
At the best time of embryo culture, the doctor will transfer the embryo into the female uterus through cervical intubation. Anesthesia is usually not required for this process, but mild sedatives may be used in some cases.
After transplantation, women may need a period of rest and recovery. Then, she can carry out normal daily activities and wait for the result of pregnancy. Usually 10 to 14 days after transplantation, a blood test can determine whether a pregnancy is successful.
Time required for IVF pregnancy
The whole process of IVF varies according to individual conditions, generally taking about 4 to 6 weeks. Specifically:
The length of the early preparation phase depends on the speed with which women conduct examinations and assessments, which usually takes several weeks.
The process of taking eggs and fertilizing is completed within one day.
The time for embryo culture and selection is usually 2 to 6 days.
After transplantation and pregnancy, you need to wait 10 to 14 days to check the pregnancy results.
summary
IVF is an assisted reproductive technology, involving multiple stages, including early preparation, egg taking and fertilization, embryo culture and selection, as well as transplantation and pregnancy. The whole process usually takes 4 to 6 weeks. At each stage, doctors' precise operation and patients' patience are required to obtain successful pregnancy results.
