Latifatul Kamilia, Ahmaniyah, A., Ratna Indriyani and Emdat Suprayitno 2024. Cohort Study: Pregnant Exercise with Primigravida Stage II of Labor Delivery. International Journal of Health Engineering and Technology (IJHET). 3, 3 (Sep. 2024). DOI:https://doi.org/10.55227/ijhet.v1i2.38.