Table 2. Number of viable embryos in different age groups.

Maternal age (years)			Paternal age (years)
	<30	30–32	33–35	36–38	39–41	≥42	P
<30	6.2±3.8	6.3±3.8	6.2±3.7	6.2±3.4	6.1±3.5	6.6±3.8	P >0.05
30–34	5.8±3.5	5.8±3.6	5.7±3.5	5.9±3.7	5.7±3.8	5.6±3.7	P >0.05
35–38	5.2±2.6	5.2±3.3	5.2±3.2	5.2±3.1	5.1±3.2	5.0±3.2	P >0.05

Note: No. of viable embryos = transferred embryos + frozen embryos