Factors affecting the health of mothers and infants
Elderly childbearing refers to the pregnancy and delivery of women over 35 years old. With the improvement of social and economic conditions and the change of social concepts, more and more women choose to postpone childbearing. However, there is a certain correlation between the elderly childbearing and some adverse factors, thus posing potential risks to the health of mothers and infants. The following is a discussion on the adverse effects of elderly childbearing on maternal and infant health from the aspects of physiology, psychology, genetics and medical treatment.

Physiological factors
Physiological aspects mainly include female fertility decline, increased pregnancy complications and increased delivery risk. With the growth of women's age, the ovarian function will gradually decline, and the egg quality will decline, thus reducing the pregnancy rate. At the same time, older pregnant women may face increased complications during pregnancy, such as gestational diabetes, pregnancy induced hypertension, etc. In addition, elderly childbirth may increase the risk of maternal bleeding, infection or puerperal complications during childbirth.
Older childbearing also has a potential negative impact on the growth and development of the fetus. The study found that the babies born to older pregnant women had lower birth weight, a higher rate of premature delivery and a higher proportion of low birth weight infants. In addition, older pregnant women may also face an increased risk of chromosomal abnormalities, such as the incidence of Down syndrome.
However, it should be noted that physiological factors are only a part of the impact of elderly childbearing on maternal and infant health, and psychological, genetic and medical aspects also play an important role.
psychological factor
Older childbearing may bring some psychological pressure and anxiety, especially for those women who have not had childbearing experience before. Postponement of childbearing is often accompanied by a sense of urgency and anxiety about fertility intentions. At the same time, elderly pregnant women may also face psychological problems such as loss of fertility or changes in marital status. These psychological pressures and anxieties may affect the mental health of pregnant women and postpartum women, and thus affect the health of mothers and infants.
Genetic factor
Age is one of the important factors affecting genetic variation. Older childbearing is associated with increased risk of chromosomal abnormalities and genetic diseases. With the growth of age, the possibility of carrying abnormal chromosomes in female eggs will also increase, leading to an increase in the incidence of chromosomal abnormalities in embryos. These chromosomal abnormalities may lead to defects in embryonic development, which may adversely affect the health of the fetus.
In addition to chromosomal abnormalities, older childbearing may also increase the risk of genetic diseases. Some genetic diseases, such as Down's syndrome and congenital heart disease, are associated with the age of the mother. Older pregnant women should receive relevant genetic counseling and testing in order to detect and manage potential genetic disease risks as soon as possible.
Medical factors
With the increase of pregnant women's age, more detailed medical monitoring and management are usually required for the elderly childbirth. Older pregnant women may face more prenatal examinations and screening programs to ensure the normal development of the fetus. In addition, older pregnant women may need more medical intervention and monitoring during childbirth to ensure the safety of mother and baby.
Some hospitals, such as Peking University First Hospital and Shanghai Women and Children Health Center, have rich experience and resources in the field of elderly childbearing, and can provide comprehensive medical services and support for elderly pregnant women.
Summary
To sum up, elderly childbearing does have some adverse effects on the health of mothers and infants. In physiological aspect, the fertility decreased, pregnancy complications increased and the risk of delivery increased; Psychological aspects may lead to psychological pressure and anxiety; Heredity increases the risk of chromosome abnormalities and genetic diseases; Medical care needs more sophisticated medical management and intervention. However, every woman is unique, and the risks and impacts of childbirth at an advanced age vary from person to person. Therefore, it is important for women who plan to give birth at an advanced age to fully understand their personal situation, actively seek medical advice and consultation, and ensure the health and safety of mothers and babies.