目的 探讨无创矩阵射频技术应用于顺产初产妇盆底功能康复的效果。 方法 前瞻性选取2022年1月至2023年4月医院顺产初产妇80例，根据随机数字表法分为对照组和观察组，各40例。对照组进行生物反馈电刺激，观察组应用无创矩阵射频技术治疗。两组在治疗前、治疗1次、治疗结束分别检测盆底肌力、盆底结构指标（肛提肌裂孔面积、肛提肌厚度）、肛提肌弹性［静息状态、缩肛状态的杨氏模量最大值（E_max）差值］，治疗结束根据女性性功能指数（FSFI）量表评估阴道润滑度及阴道敏感度。比较两组治疗前、治疗结束总不良事件发生率。 结果 治疗1次后对照组盆底肌力、肛提肌裂孔面积和肛提肌厚度与治疗前无明显变化（P > 0.05），但观察组盆底肌力、肛提肌厚度大于同组治疗前，肛提肌裂孔面积小于同组治疗前（P < 0.05）；组间比较，观察组盆底肌力、肛提肌厚度大于对照组，肛提肌裂孔面积小于对照组（P < 0.05）。治疗结束两组盆底肌力、肛提肌厚度大于同组治疗前、治疗1次，肛提肌裂孔面积小于同组治疗前、治疗1次，且观察组肛提肌裂孔面积小于对照组，盆底肌力、肛提肌厚度大于对照组（P < 0.05）。治疗结束两组耻骨下支、肌腹及后下方E_max差值大于同组治疗前、治疗1次，且观察组耻骨下支、肌腹、后下方E_max差值均大于对照组（P < 0.05）。治疗结束两组阴道润滑度及阴道敏感度得分、FSFI总分均升高，观察组升高更显著（P < 0.05）。治疗结束两组尿失禁、腰骶痛、子宫脱垂、阴道壁膨出发生率比较，差异无统计学意义（P > 0.05），但观察组总不良事件发生率低于对照组（P < 0.05）。观察组产妇康复满意度100%（40/40）高于对照组85.00%（34/40）（P < 0.05）。 结论 无创矩阵射频技术应用于顺产初产妇盆底肌功能康复，见效快，能在较短时间内增强盆底肌力，恢复盆底结构，且能显著改善阴道润滑度，提升阴道敏感度，对提高性生活体验具有重要意义。

Objective To investigate the efficacy of noninvasive matrix RF technology in promoting functional rehabilitation of the pelvic floor in postpartum women who have undergone natural delivery. Methods A prospective study was conducted on 80 nulliparous women who underwent spontaneous vaginal delivery at the hospital from January 2022 to April 2023. Participants were randomly allocated into a control group and an observation group， each comprising 40 individuals， using the random number table method. The control group received biofeedback electrical stimulation therapy， while the observation group was treated with non?invasive matrix radiofrequency （RF） technology. Both groups were assessed for pelvic floor muscle strength， pelvic floor structural parameters （levator hiatus area， levator muscle thickness）， and levator ani muscle ［measured by the maximum value of Young's modulus （E_max） in both resting and contracting states］ before treatment， after one session， and at the end of the treatment period. At the conclusion of the treatment， vaginal lubrication and vaginal sensitivity were evaluated using the Female Sexual Function Index （FSFI）. Additionally， the incidence of adverse events was compared between the two groups before and after the completion of treatment. Results After one treatment， there were no significant changes in pelvic floor muscle strength， levator ani muscle hiatus area， and levator ani muscle thickness in the control group compared to pre?treatment levels （P > 0.05）. In contrast， the observation group showed significant improvements in pelvic floor muscle strength and levator ani muscle thickness compared to pre?treatment levels， while the levator ani muscle hiatus area was significantly reduced （P < 0.05）. Additionally， at this point， the pelvic floor muscle strength and levator ani muscle thickness in the observation group were significantly higher than those in the control group， whereas the levator ani muscle hiatus area was significantly smaller （P < 0.05）. By the end of the treatment， both groups demonstrated further improvements in pelvic floor muscle strength and levator ani muscle thickness compared to pre?treatment and post?first?treatment levels， with a continued reduction in the levator ani muscle hiatus area. Notably， the observation group consistently exhibited superior outcomes in all three parameters compared to the control group （P < 0.05）. At the end of treatment， the E_max differences in the subpubic branch， abdominal muscles， and posterior hypothalamus were significantly greater than those before and after a single treatment session in both groups （P < 0.05）. Moreover， the E_max differences in these regions were significantly higher in the observation group compared to the control group （P < 0.05）. Post?treatment， both groups showed increased scores for vaginal lubrication， vaginal sensitivity， and FSFI， with more pronounced improvements observed in the observation group （P < 0.05）. Following treatment， no significant differences were noted between the two groups regarding the incidence of urinary incontinence， lumbosacral pain， uterine prolapse， and vaginal wall bulge （P > 0.05）. However， the observation group exhibited a lower frequency of adverse events compared to the control group （P < 0.05）. Additionally， maternal rehabilitation satisfaction was 100% （40/40） in the observation group， which was significantly higher than 85.00% （34/40） in the control group （P < 0.05）. Conclusions The application of noninvasive matrix RF technology in the rehabilitation of pelvic floor muscle function in postpartum women who have undergone vaginal delivery demonstrates rapid efficacy. It can enhance pelvic floor muscle strength within a short period， restore pelvic floor structure， and significantly improve vaginal lubrication and sensitivity， thereby enhancing sexual well?being.