Perceptions and practices in urban Burkina Faso: a qualitative study on gestational age estimation among health workers. - Compaoré A; Ouédraogo M; Ouattara CA; Ouédraogo LO; Deng L; Sawadogo PN; Lachat C; Toe LC; Dailey-Chwalibóg T (International journal of qualitative studies on health and well-being, 2025)