Survey of the Situation of Infertile Women Seeking In Vitro Fertilization Treatment in China

Table 7

Correlation between psychological stress and the outcome of IVF.

N:	Depression; 57	Anxiety; 52	Helplessness; 87	Normal emotion; 162
Pregnancy rate	7%	31%	42%	44%
Mean number of oocytes	14.8 ± 6.9	13.4 ± 5.3	14.0 ± 5.0	14.6 ± 5.8
Normal fertilization rate	38%	61%	50%	50%
Excellent embryos rate	22%	37%	35%	38%

Normal fertilization rates: the percentage of double pronucleus zygotes formed; excellent embryos: embryo on day 3 consisted of at least 6 cells, fragment less than 10%.