Singh, Sanjay, Uttara Aiyer Kohli, and Shakti Vardhan. “Management of Prolonged Second Stage of Labor”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 7 (June 27, 2018): 2527–2531. Accessed November 14, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/4935.