Explanation:

- Option 1: High Fertility

- Young couples marrying earlier tend to have more children over their lifetime.

- Longer childbearing years contribute to this high fertility rate.

- Correct Answer

- Option 2: Low Fertility

- Typically, lower fertility rates are linked with delayed marriage.

- This is not usually associated with early marriage.

- Option 3: High Fecundity

- Fecundity refers to the biological ability to reproduce.

- While young couples may be highly fecund, this option focuses more on the biological aspect.

- Option 4: Low Fecundity

- Not related to early marriage, as younger women generally have higher fecundity.