Moumouni, Kamaye, Alido Soumana, Haoua Yahaya, Moumouni Garba, Oumarou Zaratou, Jina Lailatou, and Amadou Aicha. “Can Advanced Maternal Age Negatively Impact the Prognosis of Birth? An Observational Study at the Issaka Gazoby Maternity Center in Niamey, Niger”. European Scientific Journal, ESJ 14, no. 9 (March 31, 2018): 93. Accessed July 4, 2022. https://eujournal.org/index.php/esj/article/view/10647.