Acupuncture can thicken the uterus lining and improve endometrial receptivity

Objective: To compare the effect of Tongyuan acupuncture combined with medication and medication alone on pregnancy outcome in patients with recurrent implantation failure (RIF) of thin endometrium type.

Methods: A total of 74 patients with RIF of thin endometrium type undergoing freeze-thaw embryo transfer were randomly divided into an observation group (37 cases) and a control group (37 cases). The patients in the control group were treated with freeze-thaw embryo transfer in hormone replacement cycle, and the estradiol valerate tablets were taken orally from the fifth day of menstruation, 2 mg per day. On the basis of the control group, the observation group was additionally treated with Tongyuan acupuncture at Baihui (GV 20), Dazhui (GV 14), Qihai (CV 6), Guanyuan (CV 4), etc., combined with other acupoints based on syndrome differentiation and menstrual stage, once every other day. Both groups were treated for 3 menstrual cycles. The clinical pregnancy rate and embryo implantation rate of the two groups were observed after transplantation; the endometrial thickness and type, resistance index (RI) and pulsatility index (PI) of endometrial blood flow were measured before treatment and one day before transplantation, and adverse reactions was recorded.

Results: The clinical pregnancy rate was 37.8% (14/37) in the observation group, which was higher than 16.2% (6/37) in the control group (P<0.05). There was no significant difference in embryo implantation rate between the two groups (P>0.05). One day before transplantation, the endometrial thickness and the proportion of type A in endometrial classification in the two groups were increased compared with those before treatment (P<0.01), and those in the observation group were higher than the control group (P<0.01, P<0.05). The PI and RI of endometrial blood flow in the two groups were lower than those before treatment (P<0.01), and those in the observation group were lower than the control group (P<0.01, P<0.05). During the treatment, 6 patients in the control group had discomfort such as breast distending pain, stomach pain, dizziness and nausea, and there were no adverse reaction in the observation group.

Conclusion: On the basis of conventional medication, Tongyuan acupuncture could increase the endometrial thickness, improve endometrial receptivity, improve pregnancy outcome and reduce adverse reactions in patients with RIF of thin endometrial type.

Reference: https://pubmed.ncbi.nlm.nih.gov/34936271/

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About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

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