Family Parenting 500 Questions: Pre-natal and Postnatal Care

Author: Jiang Yulin
Publisher:
Publish Date: 2001-09-01
Features: This book integrates pre-natal and post-natal care, covering aspects such as children's growth and development, prevention and treatment of common diseases, health care, and rational medication. It provides a comprehensive introduction to various adverse factors that children may encounter during their growth process, as well as the essential elements for healthy development. It offers parents simple and practical measures for disease prevention and scientifically sound methods for raising children, enabling them to identify causes and have evidence-based solutions when facing parenting challenges. The book is written with clarity and focus on practicality, featuring rich content that makes it highly reference-worthy and actionable. It is one of the essential reads for young parents. May this book accompany your baby's healthy growth.
Does genetics relate to eugenics? China has a large population and limited resources, making family planning a long-term national policy. The government advocates that each couple have only one child. Eugenics and proper child-rearing become even more crucial. Raising a high-quality child and nurturing a well-rounded successor holds significant meaning for both families and society. Let's first discuss the relationship between genetics and eugenics. Generally, to have excellent offspring, one must have excellent parents. Raising children is like farming—just as farmers choose high-quality seeds to achieve superior yields, selecting healthy parents is key to eugenic outcomes. This is a universal biological principle—inheritance. The saying "you reap what you sow" is a simple way to understand inheritance. The material basis of inheritance is deoxyribonucleic acid (DNA), located in the cell nucleus. Each person has their own set of genetic material, which includes approximately 50,000 to 80,000 genes. Half of this genetic material is passed to offspring through reproductive cells (eggs or sperm). Both good and bad genes can be inherited. Humans have many genetic diseases, with over 6,000 single-gene disorders alone. Many of these are autosomal recessive genetic diseases. If one parent carries a recessive harmful gene, even if the partner is normal, their child may become a carrier of the disease gene without showing symptoms. If both parents carry the same recessive harmful gene, and the two identical recessive genes combine, the child will develop the disease. In reality, there is a 1/4 chance that their offspring will suffer from the genetic disorder. A parent and child may share 1/2 of the same genes, while first cousins may share only 1/8. Therefore, the closer the blood relationship, the lower the chance of two identical harmful genes meeting. Conversely, the risk of genetic diseases in offspring from consanguineous marriages is 150 times higher than in non-consanguineous unions. The Chinese government explicitly prohibits consanguineous marriages for this very reason. Thus, when choosing a partner, it is advisable to select someone with a distant blood relationship, if not entirely unrelated. People with mental disabilities should not marry. In some regions, due to economic reasons, men marry women with mental disabilities, which is strongly discouraged. Couples with a history of genetic diseases should undergo "prenatal diagnosis" before conception to avoid having children with genetic disorders. Some people mistakenly believe that "prenatal screening" is the same as "prenatal diagnosis." In fact, they are different. "Prenatal screening" primarily focuses on the mother's condition and involves general checks on the fetus, while "prenatal diagnosis" is a specific examination targeting the fetus to determine whether it has genetic diseases or congenital abnormalities.
With the rapid advancement of biology and medicine, humanity's understanding of itself has deepened. Currently, the full sequences of all 50,000 to 80,000 human genes have been mapped, and the nucleotide sequences of many disease-related genes are well understood. By analyzing the DNA in the amniotic fluid cells of a pregnant woman, one can determine whether the fetus suffers from a genetic disease or carries a harmful gene. This method is called "genetic diagnosis." Genetic diseases caused by chromosomal abnormalities may involve changes in the number of chromosomes, such as Down syndrome, among others.