Why do people give birth to more children due to high infant mortality rate?​

The child survival hypothesis states that if child mortality is reduced, then eventually fertility reduction follows, with the net effect of lower growth of population. In populations living under low socioeconomic conditions, other factors have also been observed. The question arises whether fertility reduction could be influenced by family planning.

Explanation: Where infant mortality is smaller, birth intervals are longer, and total fertility is lower.

answer; i believe that the correct answer is (a) restriction);

pathogens is the answer