1870-7203 1870-7203 S1870-72032025000200178 10.35366/119485 Mexico Mexico Mexico 00 06 2025 00 06 2025 23 2 178 179

1 2019 59 115-31 2 2020 56 11 11 574 3 2019 32 20 20 3352-6 4 2021 47 6 6 2093-8 5 Regional Obstetric Surveillance System Working Group 2021 264 70-5