2. Additional outcomes from Fadini 2009 and Zheng 2012 studies.

	Fadini 2009			Zheng 2012
	no priming	10,000 units hCG		no priming	10,000 units hCG
No. of oocyte retrieval cycles	93	93		42	40
No. of oocytes retrieved Total (mean ± SD)	494 (5.3 ± 4.2)	495 (5.3 ± 4.1)	ns	603 (14.35)a	552 (13.80)a	ns
No. of mature oocytes (%)	231/477 (48.4)b	256/442 (57.9)b	ns	255 (42.29)c	306 (55.43)c	P = 0.00
No. of oocytes fertilised (%)	142/183 (77.6)	138/193 (71.5)	ns	167 (65.49)	194 (63.40)	ns
No. of oocytes cleaved (%)	not reported	not reported		166 (99.10)	192 (98.97)	ns
No. of embryos implanted (%)	12/130 (9.2)	5/125 (4.0)	ns	28 (32.56)	23 (32.86)	ns

Outcome data that was unable to be pooled for meta‐analysis

ns = non significant

^{a = No standard deviation (SD) reported for this study outcome}

^{b = after 30 hours}

^{c = after 32 hours}