The effect of acupuncture pretreatment on the clinical pregnancy rate of IVF-ET in patients with diminished ovarian reserve: a multicenter randomized controlled trial

INTERVENTION: control group:Sham‐acupuncture;acupuncture group:acupuncture; CONDITION: diminished ovarian reserve PRIMARY OUTCOME: clinical pregnancy rate; SECONDARY OUTCOME: Number of follicles = 14mm on HCG day, E2 level on HCG day, endometrial thickness on HCG day, number of retrieved eggs, number of MII eggs, number of 2PN and 2PN fertilization rate, available embryo rate, high‐quality embryo rate, embryo implantation rate, cycle cancellation rate, biochemical pregnancy rate, early pregnancy loss rate, sustained pregnancy rate, and live birth rate;antral follicular count (AFC), follicle stimulating hormone (FSH), luteinizing hormone (LH), estradiol (E2), anti Mullerian hormone (AMH);Self‐Rating Anxiety Scale; INCLUSION CRITERIA: (1) Meets the criteria for Group 3 and Group 4 of the POSEIDON POR classification criteria; (2) Female, 20 years = age < 40 years; (3) Regular menstruation (21‐35 days); (4) Fertility needs, with a proposed IVF/ICSI‐ET antagonist or microstimulation regimen to assist conception, and with a proposed transfer of 1‐2 high‐quality embryos at the cleavage stage or 1 blastocyst; (5) Voluntarily participate in the trial and sign the informed consent form.