APA (7th ed.) Citation

W, Z., & J, Y. (2026). Gestational sac ellipticity index measured at ≤ 7 weeks' gestation as a predictor of first-trimester embryonic demise: A retrospective cohort study. Archives of gynecology and obstetrics, 313(1), 27. https://doi.org/10.1007/s00404-025-08298-8

Chicago Style (17th ed.) Citation

W, Zhao, and Yin J. "Gestational Sac Ellipticity Index Measured At ≤ 7 weeks' Gestation as a Predictor of First-trimester Embryonic Demise: A Retrospective Cohort Study." Archives of Gynecology and Obstetrics 313, no. 1 (2026): 27. https://doi.org/10.1007/s00404-025-08298-8.

MLA (9th ed.) Citation

W, Zhao, and Yin J. "Gestational Sac Ellipticity Index Measured At ≤ 7 weeks' Gestation as a Predictor of First-trimester Embryonic Demise: A Retrospective Cohort Study." Archives of Gynecology and Obstetrics, vol. 313, no. 1, 2026, p. 27, https://doi.org/10.1007/s00404-025-08298-8.