Scientific research work It mainly studies the mechanism of endometriosis and infertility, intrauterine adhesions, repeated implantation failure and abortion, and improves the treatment effect through comprehensive management before, during and after surgery.

Combined hysteroscopy, microscopy and electron microscopy to evaluate endometrial receptivity and guide the improvement of embryo transfer plans. Published three monographs, published more than 60 related research papers, and obtained two utility patents. Invited to give relevant reports at international academic conferences many times. r Academic part-time Member of the Ethics and Management Group of the Reproductive Medicine Branch of the Chinese Medical Association Vice Chairman of the Reproductive Medicine Branch of the China Association for the Promotion of Medical Health and International Exchanges t Member of the Reproductive Medicine Branch of the Chinese Medical Doctor Association Standing Member of the Beijing Branch of the Department of Obstetrics and Gynecology of the Chinese Medical Association Member of the China Reproductive Health Industry Association Standing Member of the Obstetrics and Gynecology Professional Committee of the Beijing Society of Integrated Traditional and Western Medicine Editorial board members of the Chinese Journal of Minimally Invasive Surgery, etc. Awards First prize in the 2004 Beijing Young College Teachers Basic Teaching Skills Competition 2004 5 years of Beijing Educational Innovation Model 2007 First Prize in National Young and Middle-aged Outstanding Thesis by Obstetrics and Gynecology Branch of Chinese Medical Association.

2009 First Prize of Science and Technology Progress Award of the Ministry of Education (participant) 2011 Second Prize of Technological Progress Award of the Ministry of Science and Technology (participant) 20 11th Beijing City Science and Technology Award (participant) Outstanding Instructor of 2012 Beijing City Young College Teachers Basic Skills Competition 2014 Outstanding Young and Middle-aged Physician in Beijing City 2017 Maternal and Child Health Science and Technology Award Second Prize for Scientific and Technological Achievements Paper

1. Lin, Y., Yang, P., Chen, Y., Zhu, J., Zhang, X. , & Ma, C. Factors inducing decreased oocyte maturation rate: a retrospective analysis of 20,939 ICSI cycles. [J] Arch Gynecol Obstet. 2019,299(2):559-564;

2. Yang, P., Wang, Y., Wu, Z., Pan, N., Yan, L., Ma, C. Risk of miscarriage in women with endometriosis undergoing IVF cycles. [J] Reprod Biol Endocrinol. 2019,17(1):21;

3.Yang, P., Kang, H., Ma, C., Wei, Y., Tao, L., Wu, Z. Risk of preterm delivery in singletons conceived by in vitro fertilization. [J] Gynecol Endocrinol. 2019 Aug;35(8):661-664;

4.Wang Y, Victoria, N, Liyuan, Ma C. Combined estrogen-progestin pill is a safe and effective option for endometrial hyperplasia without atypia: a three-year single center experience. [J] J Gynecol Oncol. 2019 May;30(3):e49;

5. Yanrong, C., Victoria, N., Puyu, Y., Xinyu, Z., Caihong, M. Reproductive outcomes in women with unicornuate uterus undergoing in vitro fertilization: a nested case-control retrospective study. [J] Reprod Biol Endocrinol.2018,6;16(1):64;

6. Huang S, Pang Y, Yan J, Lin S, Zhao Y, Lei L, Yan L, Li R, Ma C, Qiao Fractalkine restores the decreased expression of StAR and progesterone in granulosa cells from patients with polycystic ovary syndrome. Sci Rep. 2016 Jul 8; 6:26205.

7. Yang S, Chen X, Zhen X, Wang H, Ma C, Li R, Liu P, Qiao J. The Prognosis of IVF in Poor Responders Depending on the Bologna Criteria: A Large Sample Retrospective Study from China. Biomed Res Int. 2015; 2015:296173.

8.Yang R, Yang S, Li R, Chen X, Wang H, Ma C, Liu P, Qiao J. Biochemical pregnancy and spontaneous abortion in first IVF cycles are negative predictors for subsequent cycles: an over 10,000 cases cohort study. Arch Gynecol Obstet. 2015 Aug;292(2):453-8.

9.Yang S, Pang T, Li R, Yang R, Zhen X, Chen X, Wang H, Ma C, Liu P, Qiao J. The individualized choice of embryo transfer timing for patients with elevated serum progesterone level on the HCG day in IVF/ICSI cycles: a prospective randomized clinical study. Gynecol Endocrinol. 2015 May;31(5):355-8.

10.Liu H, Ma C, Zhang X, Yu C, Yang Y, Song X, Tang Y, Guo X. Combined incisional ropivacaine infiltration and pulmonary recruitment maneuver for postoperative pain relief after diagnostic hysteroscopy and laparoscopy. Chin Med J (Engl).2014;127(5): 825-9. 11

. Yang Puyu, Ma Caihong. Research progress of female genital tract microbiome in reproductive medicine. [J]Chinese Journal of Reproduction and Contraception, November 38, No. 11;

. Song Xueling, Ma Caihong, Li Rong, et al. Observation of the efficacy of laparoscopic ovarian perforation combined with transvaginal immature follicle puncture in the treatment of refractory polycystic ovary syndrome. [J]China Journal of Minimally Invasive Surgery, May 2017, No. 5;

. Song Xueling, Yang Yan, Zhang Jiajia, et al. Clinical observation of laparoscopic surgical treatment of intrauterine pregnancy combined with interstitial tubal pregnancy. [J]China Clinical Journal of Obstetrics and Gynecology, Volume 19, No. 1, January 2018;

. Bai Xi, Ma Caihong, Song Xueling, et al. Diagnosis, treatment and pregnancy outcome analysis of patients with diffuse uterine leiomyomatosis complicated with infertility. [J]China Journal of Practical Gynecology and Obstetrics, June 2018, Volume 34, No. 6;

. Wu Zhangxin, Ma Caihong. Treatment challenges of intrauterine pregnancy combined with ectopic pregnancy [J]. International Journal of Reproductive Health/Family Planning, 2016, 03:226-228.

. Yang Cheng, Hu Yongfang, Ma Caihong, Fan Rong, Tang Huilin, Zhai Shuodi. Relationship between estrogen receptor 2 gene polymorphism and clinical pharmacology of in vitro fertilization [J]. China Journal of Clinical Pharmacology, 2016, 11:993-995.

. Ma Caihong, Wang Yang. Complications of ovulation promotion and its prevention and treatment [J]. China Journal of Practical Gynecology and Obstetrics, 2015, 01:39-43.

. Yang Yan, Ma Caihong. Clinical application of fallopian tube embolization [J]. Practical Journal of Obstetrics and Gynecology, 2015, 03:169-171.

. Qiao Jie, Ma Caihong, Liu Jiayin, Ma Xiang, Li Shangwei, Yang Yezhou, Zhang Bo, La Xiaolin, Wang Xiaohong, Zhu Yimin, Chen Zijiang, Zhou Congkang, Xu Yanwen, Zhang Songying, Sun Yun, Zhang Hanwang, Ai Jihui, Sun Puying, Hu Linli, Li Rong, Sheng Yan, Lin Ge, Wu Wuqingqing, Liu Ping. Expert consensus on the treatment of assisted reproduction ovulation-promoting drugs [J]. Reproduction and Contraception, 2015, 04:211-223.

. Huang Jin, Ma Caihong. Preimplantation embryo genetic diagnosis and screening techniques and specifications [J]. China Journal of Practical Gynecology and Obstetrics, 2015, 09:814-817.

. Pan Ningning, Ma Caihong. Preservation of female fertility and oncology reproduction [J]. China Clinical Journal of Obstetrics and Gynecology, 2015, 06:481-482.

. Pan Ningning, Zheng Xiaoying, Ma Caihong, Lian Ying, Liu Ping, Qiao Jie. Clinical outcome analysis of oocyte vitrification [J]. China Clinical Journal of Obstetrics and Gynecology, 2015, 06:483-485.

. Wang Yang, Ma Caihong, Qiao Jie, Li Rong, Chen Xinna, Yang Yan, Song Xueling, Zhang Jiajia. Natural pregnancy outcomes after combined laparoscopic surgery for endometriosis with endometrial polyps [J]. China Journal of minimally invasive surgery, 2014, 03:207-211.

. Ma Caihong, Xu Yanwen, Sun Yun, Lu Wenhong, Wu Hongping, Qiao Jie. Questionnaire survey report on the management of human assisted reproductive technology in my country [J]. Reproduction and Contraception, 2014, 02:89-92+97.

. Li Jianing, Ma Caihong, Fan Ling, Qiao Jie. Effect of intramural myoma on the outcome of in vitro fertilization and embryo transfer [J]. China Journal of Practical Gynecology and Obstetrics, 2014, 03:189-191.

Works and translations

Editor-in-chief: National "Twelfth Five-Year Plan" Key Book "Minimally Invasive Surgery in Reproductive Medicine"

Editor-in-chief: "New Techniques of Transvaginal Laparoscopy and Hysteroscopy"

Main translation: Quality Management of Assisted Reproductive Technology Medical Institutions---Practice Guide

Contributed by: Ministry of Health Planning Textbook "Reproductive Engineering"