REFERENCES
- Friedman EA. The graphic analysis of labor. Am J Obstet gynecol
1954;68: 1568-75.
- Friedman EA .Primigravid labor: a graphic statistical analysis. Obstet
Gynecol 1955;6:567-89.
- Friedman EA. Labor: clinical evaluation and
management.2nd ed. New York (NY):
Appleton-Century-Crofts; 1978.
- Betran AP, Ye J, Moller AB, Zhang J, Gulmezoglu AM, Torloni MR. The
Increasing Trend in Caesarean Section Rates: Global, Regional and
National Estimates: 1990±2014. PLoS ONE. 2016; 11(2):e0148343.
- American College of Obstetricians and Gynecologists, Society for
Maternal-Fetal Medicine, Caughey AB, Cahill AG, Guise JM, et al. Safe
prevention of the primary cesarean delivery. Am J Obstet Gynecol.
2014; 210(3):179±93
- Zhang J, Troendle JF, Yancey MK. Reassessing the labor curve in
nulliparous women. Am J Obstet Gynecol. 2002; 187(4):824±8.
- Zhang J, Troendle J, Mikolajczyk R, Sundaram R, Beaver J, Fraser W.
The natural history of the normal first stage of labor. Obstet
Gynecol. 2010; 115(4):705±10
- Zhang J, Landy HJ, Branch DW, Burkman R, Haberman S, Gregory KD, et
al. Contemporary patterns of spontaneous labor with normal neonatal
outcomes. Obstet Gynecol. 2010; 116(6):1281±7. \
- Shi Q, Tan XQ, Liu XR, Tian XB, Qi HB. Labour patterns in Chinese
women in Chongqing. BJOG. 2016;123 Suppl 3:57±63.
- Cohen WR, Friedman EA. Perils of the new labor management guidelines.
Am J Obstet Gynecol. 2015; 212(4):420±7.
- Cohen WR, Friedman EA. Misguided guidelines for managing labor. Am J
Obstet Gynecol. 2015; 212 (6):753.e1±3.
- Pitchaimuthu N, Bhaskaran S. Labor pattern among primigravida in local
population. J Obstet Gynaecol India 2018;68:482–6.
- Hendricks CH, Brenner WE, Kraus G. Normal cervical dilation pattern in
late pregnancy and labor. Am J Obstet Gynecol1970;106: 1065-80.
- Jones M, Larson E. Length of normal labor in women of Hispanic origin.
Journal of Midwifery & Women’s Health. 2003; 48(1):2–9.
- Friedman EA, Kroll BH. Computer analysis of labor progression. III.
Pattern variations by parity. Journal of Reproductive Medicine. 1971;
6(4):179–183.
- Suzuki R, Horiuchi S, Ohtsu H. Evaluation of the labor curve in
nulliparous Japanese women. Am J Obstet Gynecol. 2010; 203(3):226.
- Oladapo OT, Souza JP, Fawole B, Mugerwa K, Perdona G, Alves D, et al.
(2018)Progression of the first stage of spontaneous labour: A
prospective cohort study in two sub-Saharan African countries. PLoS
Med 15(1).
- WHO Reproductive Health Library. WHO recommendation on definitions of
the latent and active first stages of labour. (February 2018). The WHO
Reproductive Health Library; Geneva: World Health Organization.
- National Institute for Health and Care Excellence. Intrapartum care:
care of healthy women and their babies during childbirth.
2014(Clinical guideline 109).