Recurrent spontaneous abortion (RSA) is a common pregnancy complication in women of reproductive age and the cause of RSA remains largely unclear. Acupuncture is widely used in clinical practice to treat infertility and abortion. The role of acupuncture in the treatment of infertility is still unclear. The investigators conducted a randomized, prospective, controlled clinical trial to investigate its potential impact on pregnancy outcome. Herein, the investigators not only evaluated the changes in patients' psychological stress before and after treatment but also followed up on pregnancy outcomes. In addition, changes in uterine artery blood flow were observed by ultrasound. Changes in coagulation-related indicators were also detected.
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The effect of acupuncture on pregnancy outcome in patients with recurrent spontaneous abortion
Timeframe: average of 1 year
The change of blood indicators related to blood coagulation function after acupuncture1
Timeframe: average of half of a year
The effect of acupuncture on blood flow impedance in the uterine arteries before and after each treatment cycle
Timeframe: average of half of a year
The effect of acupuncture on patients' mental anxiety status before and after each treatment cycle
Timeframe: average of half of a year
The change of blood indicators related to blood coagulation function after acupuncture2
Timeframe: average of half of a year
The change of blood indicators related to blood coagulation function after acupuncture3
Timeframe: average of half of a year