Table 1.

Data for fetal arterial blood pressure and heart rate during the last 10 min of each of the five protocol periods

		Baseline		Pre-hypoxia infusion		Hypoxia		Recovery with infusion		Post-infusion recovery
		Mean	s.e.m.	Mean	s.e.m.	Mean	s.e.m.	Mean	s.e.m.	Mean	s.e.m.
Blood pressure (mmHg)	Control	44	1	44	2	53	4*	48	3	47	3
	8-SPT	45	2	46	2	54	3*	49	2	48	2
	DPCPX	45	2	51	3†	56	2†	55	3	52	4
Heart rate (bpm)	Control	167	5	166	5	151	8*	176	7	185	4
	8-SPT	170	7	158	8	142	14*	171	8	180	7
	DPCPX	168	5	185	14	172	12	189	11	178	8

^*Significant difference from baseline value (P < 0.05);

^†significant difference from baseline value (P < 0.01).