Robyn Ross received the call on a Friday. With COVID-19 patients threatening to overwhelm the nation’s hospitals, her OB-GYN would be transferring to virtual appointments. “For how long?” Ross asked. For the foreseeable future.Due to deliver April 24 at Fort Belvoir Community Hospital, where Virginia’s first COVID-19 case was quarantined in early March, Ross’ plan for birth care is now riddled with uncertainty.Hospitals around the nation have employed quick-response crisis policies, with visitor restrictions in most major metropolises. The decision in major hospital systems across the nation, including New York-Presbyterian, Central Illinois, Central Texas, and all San Francisco hospitals,...