Table 2.

Intramembranous absorption rates and amniotic fluid volumes in late gestation ovine fetuses under four experimental conditions (n = 4 per group)a

Experimental conditions	Intramembranous absorption rate (mL/day)		Amniotic fluid volume (mL)
	Mean ± SE	Range	Mean ± SE	Range
Control	667 ± 159	395–1075	1110 ± 125	865–1449
Urine drainage	101 ± 120*	−190–394	300 ± 77*	128–437
Urine replacement	515 ± 29	453–567	1449 ± 220	864–1862
Intra‐amniotic infusionb	1366 ± 274*	813–1945	3351 ± 365*	2351–4101

*P < 0.05 compared to respective control.

^aData from Cheung et al. (2016).

^bLactated Ringer's solution infused at 2 L/day (1.39 mL/min).