軟性胚胎植入管可能會提高試管嬰兒懷孕率

使用軟性胚胎植入管可能比硬式胚胎植入管有益於提高試管嬰兒懷孕率及胚胎著床率

http://humrep.oxfordjournals.org/content/17/5/1149.full

Ultrasound-guided soft catheter embryo transfers will improve pregnancy rates in in-vitro fertilization

Table III.

Comparison between hard and soft catheter systems

	Hard catheter (n = 107)	Soft catheter (n = 411)	Pvalue	95% CI
CI = confidence interval.
Implantation rate (%)	8.1	19.1	0.0001	–0.160, –0.064
Clinical pregnancy/transfer (%)