The Male Health Trend Nobody Predicted

When couples consider starting or growing a family, the woman usually goes to her doctor for a check-up and starts taking prenatal vitamins. But since it takes two to make a baby, men can optimize their health too. This is important because “one in six couples are infertile,” according to Gigi Gotz, founder and CEO of Upstream, a concierge health company that helps men optimize their fertility.

She was inspired to help couples build families when she learned how few sperm donors there are...