Table 3.

Maternal adverse events^*

Adverse event	Retosiban n = 30 n (%)	Placebo n = 34 n (%)
Headache	4 (13)	1 (3)
Dyspepsia	3 (10)	1 (3)
Back pain	2 (7)	0
Nausea	2 (7)	1 (3)
Abdominal pain, upper	1 (3)	1 (3)
Amniotic fluid, decreased	1 (3)	1 (3)
Constipation	1 (3)	1 (3)
Premature rupture of membranes	1 (3)	2 (6)
Paraesthesia	0	2 (6)
Polyhydramnios	0	2 (6)
Post-partum depression	0	2 (6)

^*Listed are all adverse events, regardless of treatment group. Women with more than one occurrence of the same type of adverse event are listed only once.