Spots Global Cancer Trial Database for Cervical Morphological Changes on Pregnancy Outcome

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Trial Identification

Brief Title: Cervical Morphological Changes on Pregnancy Outcome

Official Title: The Effect of Cervical Morphological Changes on Pregnancy Outcome After Loop Electrosurgical Excision Procedure

Study ID: NCT03242746

Conditions

Pregnancy Outcome

Interventions

Study Description

Brief Summary: This study aims to assess how the proportion of the cervical volume/length removed during treatment for cervical intraepithelial neoplasia (CIN) varies and whether this correlates to the pregnancy duration at delivery

Detailed Description: The high peak age of the Cervical intraepithelial neoplasia (CIN)patients was from 25 to 35 years old, which is the best women of childbearing age, Standard treatment for CIN is called Loop electrosurgical excision procedure (LEEP),but the inappropriate conization may damage the cervical function leading to infertility, abortion, preterm delivery and dystocia. Therefore, reasonable and standard conization is very important for treating and preventing the complication. The International Federation of Cervical Pathology and Colposcopy(IFCPC) advocates the length of cervical conization should be decided by the type of cervical transformation zone, however, the cervical lengths in female are different leading to the same cervical conization lengths cause the diverse influences on the cervical function.Therefore, individualized cervical conization therapies are very needed，At present, there are still lack of objective data about cervical morphology of women at childbearing age,besides the effects of cervical morphological changes caused by LEEP on pregnancy and childbirth has not been reported. Our hypothesis is that the proportion of the cervical tissue removed is likely to influence both cervical healing and the cervical volume following surgery and as a result the risk of prematurity in subsequent pregnancies. The present prospective study investigates the variation in the proportion of the cervix removed during excisional treatment and provides pilot data on pregnancy outcomes in a sample population for which the dimensions and proportions of the cervical tissue excised are assessed at the time of treatment.