First, some gentle sensitivity from people would help women to come to terms with their infertility. It is often not a choice. Blanket criticism of all women who don't have the benefit of children is hurtful and harmful. Second, why do men not get the same level of intolerance if they choose not to procreate?
Much depends on the nature of individuals' work and the geographic spread of a family, but sometimes the childless/free are seen as, and may genuinely be, more easily available. As the childless one of three adult siblings, I took the greater share of care commitments for our elderly mother in her later years.
Some years ago, I appeared on a lunchtime TV discussion about this issue. On the one hand, the childless (I prefer childfree) participants were berated for being selfish, which is a distillation of much of the rightwing argument against us.
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