Patients who have experienced a biochemical pregnancy are usually asymptomatic, as if they had a period, so they are often overlooked, and many people themselves do not even know that the "baby" has ever come.
In general, biochemical pregnancy occurs for the following reasons:
1. The most common is embryonic chromosomal abnormality.
A chromosomal abnormality in one of the spouses, resulting in a chromosomal abnormality in the embryo;
Both husband and wife have normal chromosomes, but the embryonic chromosomes are abnormal during the process.
If a chromosomal abnormality occurs, genetic counseling is needed to see what to do next and choose the right way to help you conceive.
2. Advanced age. The older you are, the more likely you are to have an abnormality in your egg chromosomes.
3. Pregnancy is a matter of two people, and the poor quality of the man's sperm and the integrity of his genetic material will affect the quality of the embryo and the ability to develop.
4. Poor endometrial receptivity, or malformation of the uterine cavity may cause the embryo to fail to implant and continue to develop.
5. Mental and psychological factors, such as being too nervous, anxious, stressed, and unable to sleep during pregnancy preparation and after IVF embryo transfer.
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