What is IVF
In vitro fertilization embryo transfer (IVF-ET) is an assisted reproductive technology, which is used to help couples who cannot conceive naturally realize their reproductive dreams. This technology increases the chance of successful pregnancy by in vitro fertilization of eggs and sperm in the laboratory, and the resulting embryos are transferred to the woman's uterus.

Since its first successful birth in 1978, IVF technology has gradually become one of the important means to solve the problem of infertility. So, when is the time point of IVF in China?
Age factor
Female age is an important factor in IVF. Women's fertility will decline with age, especially after the age of 35. Therefore, it is recommended that women get pregnant before the age of 35, especially before the age of 30.
However, due to different personal circumstances, some women may need to consider IVF in advance, for example, there are obvious ovulation disorders, oviduct obstruction and other problems, or the spouse also has male infertility problems. In these cases, age is no longer the only consideration.
In addition, female age also has an impact on the success rate of IVF. According to statistics, the success rate of women under 35 years old is higher, while that of women over 35 years old is gradually declining.
Analysis of the causes of infertility
Before IVF, the husband and wife should go to the formal reproductive hospital to analyze the cause of infertility. This step is crucial to determine the specific causes of infertility and provide a basis for subsequent treatment plan customization.
Common causes of infertility include ovulation disorder, premature ovarian failure, fallopian tube problems, uterine problems, etc., while the man may have poor semen quality, oligospermia, azoospermia, etc. According to different causes, doctors will make targeted treatment plans, including selecting appropriate assisted reproductive technology.
Therefore, before IVF, we must ensure the accuracy and comprehensiveness of etiological analysis.
Treatment preparation and process
After the determination of IVF, both husband and wife need to carry out a series of treatment preparations. First, the doctor will conduct ovulation guidance on the woman, regulate the menstrual cycle, and promote the growth and development of follicles.
When the follicle reaches a certain size, the doctor will conduct an egg collection operation. This process usually requires painless or general anesthesia to collect eggs by puncturing the ovary. After the collected eggs are fertilized in vitro by sperm, the resulting embryos will be cultured in the laboratory for 2-5 days.
If the quality of the cultured embryo is good, the doctor will select the best embryo for transplantation, and the remaining embryo can be frozen for subsequent use. Embryo transfer is a simple procedure that usually does not require general anesthesia.
After successful transplantation, luteal support treatment is needed to increase the success rate of embryo implantation. Next, the husband and wife need to wait about 14 days to verify the success of pregnancy through blood testing.
Summary
The time point of IVF needs to be determined according to women's age, infertility causes, personal conditions and other comprehensive factors. Age is one of the important considerations. It is suggested that women should try to arrange pregnancy before the age of 35 to avoid fertility decline. The cause analysis of infertility is the basis for determining the treatment plan, which needs to be carried out in advance. The treatment preparation and process can be divided into several steps, such as ovulation guidance, egg collection, embryo culture and transplantation, which need to be completed under the guidance of doctors. With reasonable time arrangement and the assistance of professional medical team, IVF technology can help more couples realize their reproductive dreams.