Fetal Urine Production in Late Pregnancy

Table 1

Final HFUPR measurement and time to onset of spontaneous labor with (mL/kg/h) and without correction for estimated fetal weight (mL/h). Data are presented as 3-day categories. No data were available on estimated fetal weight in 5 cases.

Number of days to onset delivery	HFUPR (mL/h)		HFUPR (mL/kg/h)
	No.	mean (SEM)	No.	mean (SEM)
−9 to −11	10	14.1 (1.7)	10	4.7 (0.5)
−6 to −8	10	17.5 (3.2)	8	5.9 (1.3)
−3 to −5	29	16.5 (1.7)	29	5.3 (0.6)
0 to −2	30	10.2 (1.4)*	27	3.5 (0.5)**

* 𝑃<0.02; **𝑃<0.05 compared with the other 3-day categories (1-way ANOVA with Bonferroni correction).