Kaewsiri, Prapairat, Penpak Luk-in, Nuttaya Onpiw, and Phayom Sinthusiri. “The Effectiveness of Using an Estimated Fetal Weight Measuring Tape Innovation with a Nutrition Promotion Program on Weight Gain during Pregnancy and Birth Weight of Pregnant Women with Low Pre-Pregnancy Body Mass Index”. Journal of The Royal Thai Army Nurses 23, no. 1 (May 4, 2022): 323–332. accessed September 28, 2026. https://he01.tci-thaijo.org/index.php/JRTAN/article/view/250571.