Qatar population-specific centile charts of placental weight in 80 722 newborns: relation to maternal age, gestational age, newborn birth weight, and gender, between the 37 th and 42 nd weeks of gestation.
Alyafei F, Soliman AT, De Sanctis V, Al-Qubasi M, Olukade T, Alaaraj N, Hamed N, Ahmed S, Soliman N, Yassin D.
Acta Biomed. 2023 Aug 3;94(4):e2023147. doi: 10.23750/abm.v94i4.14434.
PMID:37539602
Embryonic heart rate in the early first trimester: what rate is normal?