The Efficacy of Complementary and Alternative Medicine in the Treatment of Female Infertility

Table 3

Clinical studies on retention enema in infertility treatment.

Study ID	Design	Sample size	Interventions	Outcomes	Limitation
146	RCT	92	Treatment arm: penqiangyan prescription and TCM retention enema; control arm: routine treatment	Treatment arm: TE 80.43%; control arm: TE95.65%	Not mentioned drop-out rate
147	RCT	53	Treatment arm: hysteroscopy and TCM retention enema; control arm: hysteroscopy	Treatment arm: PR 55.56%; control arm: PR23.08%	Not mentioned drop-out rate; Small sample size
148	RCT	50	Treatment arm: laparoscopic surgery and TCM retention enema; control arm: laparoscopic surgery	Treatment arm: PR72%; control arm: PR44%	Not mentioned drop-out rate; Small sample size
149	RCT	86	Treatment arm: hysteroscopy and TCM retention enema; control arm: hysteroscopy	Treatment arm: PR 62.7%; control arm: PR41.8%	Not mentioned drop-out rate
150	RCT	98	Treatment arm: tubal interventional recanalization and TCM retention enema; control arm: tubal interventional recanalization	Treatment arm: PR53.1%; control arm: PR20.4%	Not mentioned drop-out rate
153	RCT	60	Treatment arm: TCM retention enema, acupuncture and estradiol tablets; control arm: estradiol tablets	Treatment arm: TE 83.3% control arm: TE50.0%	Not mentioned drop-out rate; Small sample size

Note: RCT: randomized clinical trial; PR: pregnancy rate; TE : total effective rate; < 0.05 versus treatment arm.