Table 3.

Multivariate analysis

Risk factor	P-value	Adj.OR [95 % CI]
Prior CS	0.0089	5.34 [1.52–18.72]
IVF insemination	0.0001	8.83 [2.87–27.13]
GnRH trigger	0.0011	6.37 [2.10–19.33]
No. oocytes aspirated	0.0363	1.09 [1.01–1.19]