Becoming a parent means learning to live with an ever-present anxiety. With every meal, every doctor’s visit, every purchase of diapers or rash creams or bottles, you’re left wondering if you are doing this right. Could I be doing something more to give my child the best possible start in life? Like all parents, after we had our son last year, we struggled to keep our anxiety in check, but we were luckier than so many other families that we didn’t have to stress about finding high-quality child care. I’m one of the fortunate few new moms who received generous paid leave after the birth of my...