Difference between IVF technology and natural pregnancy
In vitro fertilization (IVF) is an assisted reproductive technology through in vitro fertilization and embryo transfer, while natural pregnancy refers to the pregnancy naturally generated through sexual intercourse. Although both can help infertile couples achieve their desire to have children, they are obviously different in many aspects.

1. Pregnancy process
Natural pregnancy means that when a woman is ovulating, the egg and sperm meet and combine to form a fertilized egg, and then implant and develop in the uterus, eventually forming an embryo and fetus. In IVF technology, female eggs and male sperm are fertilized in vitro in the laboratory, then the fertilized eggs are cultured to an appropriate stage of development, and then transplanted back to the female uterus for implantation and development.
The probability of natural pregnancy is relatively low, and the success of pregnancy depends on many factors, such as ovulation time, sperm quality, etc. The IVF technology can improve the chance of infertile couples to conceive by means of assisted reproduction.
2. Control and monitoring
The process of natural pregnancy is difficult to control and monitor accurately. The formation and implantation of fertilized eggs is a relatively complex and independent process, and couples cannot directly intervene. The IVF technology allows doctors to precisely control the timing and quantity of fertilization, and can monitor and adjust the process of embryonic development.
Through in vitro fertilization and embryo culture, doctors can select the best quality fertilized eggs for transplantation, thus improving the success rate of pregnancy. In addition, IVF technology can further optimize the pregnancy results through genetic screening, embryo freezing and other means.
3. Success rate and risk
The success rate of natural pregnancy depends to a large extent on individual differences, so infertile couples may need to experience multiple attempts to successfully conceive. The IVF technology has a relatively high success rate, but it is still not 100% sure of pregnancy. The success rate will vary depending on the hospital and individual conditions.
However, IVF technology also carries some risks. Operation and drug treatment may cause some discomfort and complications, such as over stimulation of ovary, multiple pregnancy, endometriosis, etc. In addition, IVF technology and embryo manipulation may cause some ethical and moral problems.
4. Psychological and economic burden
Natural pregnancy is a natural process for infertile couples, which does not require a lot of medical intervention and expenses. The IVF technology needs the support of hospital equipment and professionals, and requires multiple courses of treatment, so the economic burden is large.
In addition, the IVF technology has a greater psychological pressure on couples. During the long-term treatment, couples may experience some anxiety and tension, and have higher expectations and negative emotions for the results.
Summary
There are obvious differences between IVF technology and natural pregnancy in pregnancy process, control and monitoring, success rate and risk, psychological and economic burden, etc. IVF technology improves the chance of infertile couples to conceive through technical means, but it also comes with some risks and financial burdens. When choosing whether to adopt IVF technology, couples need to take various factors into consideration, including medical conditions, economic conditions and psychological endurance, and make appropriate decisions.