COVID-19 pandemic compared to previous years stretching back to 2002.A study from Sinai Health in Toronto, which was published Tuesday in the Canadian Medical Association Journal, looked at more than 2.4 million hospital births in the province over nearly two decades to see whether pandemic conditions overall — not COVID-19 infections in pregnant people — impacted rates of preterm births or stillbirths.The mean preterm birth rate ranged from 7.32 per cent to 8.59 per cent during the pre-pandemic period (2002-2019), compared to 7.87 per cent during 2020, the study said.The mean stillbirth rate was 0.56 per cent, while the 2020 rate was 0.53 per cent. ‘Complicated pregnancy scenarios’ a reality at Toronto’s Sinai Health amid COVID-19 3rd.