1. Early pregnancy loss. ACOG practice bulletin No. 200;American College of Obstetricians and Gynecologists;Obstet. Gynecol.,2018
2. Gestational diabetes mellitus. ACOG practice bulletin No. 190;American College of Obstetricians and Gynecologists;Obstet. Gynecol.,2018
3. Tubal ectopic pregnancy. ACOG practice bulletin No. 193;American College of Obstetricians and Gynecologists;Obstet. Gynecol.,2018
4. Thyroid disease in pregnancy: ACOG practice bulletin No. 223;American College of Obstetricians and Gynecologists;Obstet. Gynecol.,2020
5. American College of Obstetricians and Gynecologists, 2023. Practice advisory: Updated clinical guidance for the use of progesterone supplementation for the prevention of recurrent preterm birth [Online]. Available at: (accessed Nov 20, 2023).