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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Acta Obstet Gynecol Scand. 2011 Jun 27;90(10):1057–1069. doi: 10.1111/j.1600-0412.2011.01178.x

Figure 4.

Figure 4

Shown is the time of delivery (= hours after 8 a.m. of day 22 of gestation) of pregnant rats treated with vehicles (controls) and progestins by different routes of administration – injections (s.c.; daily): vehicle: sesame oil; progesterone (P4) (4 mg); 17-OH P (10 mg); vaginal (bid): vehicle: Replens®; P4 (15 mg, Crinone®); oral (bid): vehicle: sesame oil or H2O; P4 (15 mg); transdermal (bid): vehicle: Replens® or fish oil; P4 (15 mg). Rats with delayed parturition were sacrificed on day 25. Asterisks indicate P <0.05 compared with controls. From Kuon et. al. Am J Obstet Gynecol. 2010;202:455 e1–9.