There is no external body during ovulation

In vitro fertilization is a method in which sperm is injected directly into a woman's body rather than fertilizing outside the body. While this approach can be successful in some cases, it also has some drawbacks. First, IVF can cause some unwanted consequences. For example, sperm has a very strong ability to survive outside the body, so during in vitro fertilization, a lot of sperm may enter a woman's body, causing pregnancy. In addition, IVF may cause health problems such as allergies, infections, and tumors.

On the other hand, some people may choose not to undergo IVF and instead choose to use other methods to achieve pregnancy. These methods include:

1. Artificial insemination: This is a method of injecting sperm directly into a woman’s body and then waiting for the woman to become pregnant. This method requires a professional doctor to operate and takes a long time to be successful.

2. Natural pregnancy: This is a method where a woman waits for a period of time and then gets her pregnant. This method may take some time and may be affected by factors such as the woman's physical condition and menstrual cycle.

3. Embryo transfer: This is a method of transplanting embryos into a woman’s body and then waiting for the woman to become pregnant. This method requires a professional doctor to operate and takes a long time to be successful.

While in vitro fertilization can be an effective method, it does have some disadvantages. Therefore, if you plan on in vitro fertilization, you must consider it carefully and consult a professional doctor. In addition, you should also pay attention to adopting a healthy lifestyle to ensure the health of yourself and future generations.