Jing Guan

BACKGROUND: Subtle distal fallopian tube abnormalities are a group of diseases characterised by small variations in tubal anatomy. The clinical significance of these abnormalities need to be studied. OBJECTIVES: The purpose of this multice…

Subtle distal Fallopian tube abnormalities comprise a group of diseases that are characterised by subtle variations in tubal anatomy. This prospective cohort study investigated the prevalence of subtle distal Fallopian tube abnormalities in…

Research questionWhat are conception rates and pregnancy outcomes after laparoscopic treatment of subtle distal tubal abnormalities among infertile women, and which factors relate to natural conception?DesignProspective cohort study (n = 23…

Patients who undergo several in-vitro fertilization (IVF) treatment cycles and fail to conceive present a frustrating problem to the clinician. When 1 cycle of IVF treatment fails, should we offer the couples to choose additional cycle of I…

Endometriosis (EM) is a mysterious and complicated disease that has been found to be multifactorial. Recent studies demonstrated that long noncoding RNAs (lncRNAs) play an important role in the pathogenesis of EM. However, the functional an…

BACKGROUND: The association between the previous history of endometriosis and obstetric outcomes is still ambiguous. This study aimed to evaluate the effects of previous history of operatively diagnosed endometriosis on pregnancy outcomes. …

OBJECTIVE: To investigate whether laparoscopic excision of ovarian endometriomas pretreated with operation by gynecologists or reproductive surgeons exerts different effects on in vitro fertilization-intracytoplasmic sperm injection results…

OBJECTIVE: To investigate the clinical features of fallopian tube accessory ostium and treatment outcomes after laparoscopic treatment. METHODS: A retrospective analysis was conducted of patients who underwent laparoscopy for infertility at…

Tubal diverticula is a rare disease, and the literature includes only a few reports of this condition. We tentatively summarized 13 cases to investigate the clinical characteristics, diagnosis, and treatment of tubal diverticula. The clinic…

OBJECTIVE: To investigate the impact on fertility potential of patients with stage I endometriosis treated by gonadotropin-releasing hormone agonist (GnRH-a) treatment followed by laparoscopy surgery. METHODS: From Jan. 2006 to Jun. 2008, m…

Objective To study the relationship between estrogen receptor (ER) gene restriction fragment length polymorphisms (RFLPs) and endometriosis. Methods 50 Chinese women with endometriosis of stage I ~ IV ER gene RFLPs for PvuII restriction end…

Objective To evaluate the results of laparoscopic treatment in women with infertility.Methods Laparo-scopic treatment and pregnancy outcome of 59 infertile women were analyzed retrospectively.Results After laparoscopic operations, the pregn…