Challenges and guidance in preparing for pregnancy at an older age: disease risks, comparison of treatment methods, psychosocial impact, precautions and preventive measures

7. Disease risks in older age preparations for pregnancy: Understand the possibility of chromosomal abnormalities and congenital diseases:
7. Disease risks in older age preparations for pregnancy: Understand the possibility of chromosomal abnormalities and congenital diseases In modern society, as women marry later, The trend of late childbearing is becoming increasingly obvious, and older children are

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