The options include:
a. The most significant weight gain in the fetus occurs during the first trimester.
b. After conception, the fetus typically requires 30 weeks to develop fully.
c. Organ systems in the fetus develop consistently throughout the duration of pregnancy.
d. To promote healthy growth, a fertilized egg must attach itself to the uterine wall.
Correct Answer:
The answer is option d, To promote healthy growth, a fertilized egg must attach itself to the uterine wall.
Reasoning:
The development of the fetus initiates with conception and implantation. Conception refers to the meeting of the male sperm with the female egg cell for fertilization. Following fertilization, the egg must implant in the uterus of the woman. After it adheres, the fertilized egg cell (embryo) becomes recognized as a "blastocyst." This phase is crucial for fetal growth as it ensures the embryo receives essential nutrients from the mother.
Implantation typically takes place between 6 and 9 days post-fertilization. Symptoms a woman may experience include: fatigue, breast sensitivity, frequent urination, cravings, nausea, mood fluctuations, headaches, etc.
Answer:
Both approaches are essential for a normal pregnancy.
Explanation:
These approaches, namely maintaining a balanced nutrition and steering clear of harmful substances, contribute to a healthy pregnancy. This is because a pregnant woman needs increased energy for both herself and her baby, making a nutritious diet crucial. Certain substances can adversely affect the developing fetus, so avoiding them is vital for ensuring a healthy pregnancy.
Social discrimination could result in performance challenges as he moves into adulthood.
The correct answer is b. It is indirect; hence, if it doesn’t make contact, it cannot contaminate.
