progesterone fall estradiol rise before labor onset, Turnbull progesterone withdrawal labor initiation human, peripheral plasma progesterone estradiol parturition, hormonal changes preceding spontaneous labor onset, progesterone decline estrogen rise mechanism of labor, estradiol to progesterone ratio labor trigger, endocrine signals onset human parturition, Flint Keirse Anderson progesterone estradiol labor, steroid hormone changes third trimester labor prediction, progesterone withdrawal hypothesis human parturition
PMID 4130306 4130306 DOI 10.1016/s0140-6736(74)92337-x 10.1016/s0140-6736(74)92337-x
Cite this article
Turnbull, A. C., Patten, P. T., Flint, A. P., Keirse, M. J. N. C., Jeremy, J. Y., & Anderson, A. B. (1974). Significant fall in progesterone and rise in oestradiol levels in human peripheral plasma before onset of labour. *Lancet (London, England)*, *1*(7848), 101-103. https://doi.org/10.1016/s0140-6736(74)92337-x
Turnbull AC, Patten PT, Flint AP, Keirse MJNC, Jeremy JY, Anderson AB. Significant fall in progesterone and rise in oestradiol levels in human peripheral plasma before onset of labour. Lancet. 1974;1(7848):101-103. doi:10.1016/s0140-6736(74)92337-x
Turnbull, Alan C., et al. "Significant fall in progesterone and rise in oestradiol levels in human peripheral plasma before onset of labour." *Lancet (London, England)*, vol. 1, no. 7848, 1974, pp. 101-103.
GBD 2023 Intimate Partner Violence and Sexual Violence against Children Collaborators2026Lancet (London, England)
BACKGROUND: Violence against women and against children are human rights violations with lasting harms to survivors and societies at large. Intimate partner violence (IPV) and sexual violence against ...
GBD 2023 Disease and Injury and Risk Factor Collaborators2025Lancet (London, England)
BACKGROUND: For more than three decades, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) has provided a framework to quantify health loss due to diseases, injuries, and associate...
GBD 2023 Causes of Death Collaborators2025Lancet (London, England)
BACKGROUND: Timely and comprehensive analyses of causes of death stratified by age, sex, and location are essential for shaping effective health policies aimed at reducing global mortality. The Global...