Pourahmad , Z., Namavar Jahromi , B., & Koushkie Jahromi, M. (2022). Can Physical Activity Patterns before and during Pregnancy and Anxiety be Related to Preterm Birth?. Advances in Nursing & Midwifery, 31(3), 24–31. https://doi.org/10.22037/anm.v31i3.39129