I think your last sentence is very telling.
First, the irony of you implying that having to kick in a few dollars every year to support other people is an unreasonably onerous expectation, while also expecting women to go through 9 months of pregnancy (and the financial, psychological, and physical stress in that) against their will is not lost on me.
Second, "I care about children, but I'm not interested in having to contribute to their wellbeing in any way" isn't exactly the strongest use of the word "care" that I've encountered.
In this instance, "care" would refer to having at least the same level of passion for the well being of actual children and their mothers as one has for the fate of a fetus. For instance, refusing to vote for candidates who run on the idea of eliminating welfare/SNAP benefits (which almost entirely go to mothers and children), defunding public school systems, and actively blocking the creation of government-subsidized child care.