WASHINGTON (AP) - Pregnant women with COVID-19 face increased chances for stillbirths compared with uninfected women, and that risk spiked to four times higher after the delta variant emerged, new government data show.The federal Centers for Disease Control and Prevention released a report Friday that examined 1.2 million deliveries in 736 hospitals nationwide from March 2020 through September 2021.RELATED: COVID-19 boosters: CDC, FDA OK shots for all adults over age 18Stillbirths were rare overall, totaling 8,154 among all deliveries.