How do programs such as social security, pension plans, and medicare affect tfr?

For the answer to the question above asking how do program such as social security, pension plans, and medicare affect tfr?

For the answer, the TFR that you are referring to is the Total Fertility Rate?
the most useful measure of fertility for projecting future population change is the total fertility rate. For the definition of TFR, it is the average number of children that each woman will have during her lifetime.

So When she receives right benefits from medicare and receives pension and allowances for her vitamins or any medicines or anything a woman needed. A woman can live more and she can produce more children for as long as she wants or she can.