Final answer:
Maternal factors that may influence maintaining a healthy pregnancy include nutrition, avoiding harmful substances, and receiving prenatal care.
Step-by-step explanation:
During pregnancy, there are several maternal factors that can influence maintaining a healthy pregnancy.
Nutrition: The mother needs to eat plenty of nutritious foods and take in extra calories, proteins, and lipids. She also needs more vitamins and minerals.
Avoiding harmful substances: The mother must avoid toxins such as alcohol, illegal drugs, and some medicines. It is especially important to avoid these substances during the first eight weeks of pregnancy when major organ development occurs.
Receiving prenatal care: Routine prenatal care is important to monitor the health of both the mother and fetus. It can help reduce the risk of complications and provide guidance on pregnancy planning.