Angela Deliso and her wife talked about having children for years before they began trying to start a family. “I always wanted kids,” Deliso tells me over Zoom. “I just thought it would happen sooner.” After five years of dating, the pair married, and a year after that, their plans turned to action: They bought 11 vials of frozen sperm from a sperm bank. Deliso, who wanted to carry the pregnancy, underwent intrauterine insemination in a doctor’s office. Sperm banks...