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Zhang, L., Shen, S., He, J., Chan, F., Lu, J., Li, W., Wang, P., Lam, K.B.H., Mol, B.W.J., Yeung, S.L.A., Xia, H., Schooling, C.M. and Qiu, X. (2018) Effect of Interpregnancy Interval on Adverse Perinatal Outcomes in Southern China: A Retrospective Cohort Study, 2000-2015. Paediatric and Perinatal Epidemiology, 32, 131-140.
https://doi.org/10.1111/ppe.12432

has been cited by the following article:

• TITLE: Cervicovaginal Inflammatory Cytokines, Obesity and Inter-Pregnancy Interval Negatively Affect Pregnancy Duration in Pregnant Women at High-Risk for Recurrent Spontaneous Preterm Birth

  AUTHORS: Youssef Abdal Zaher, Adel F. Al-Kholy

  KEYWORDS: Preterm Birth, Inter-Pregnancy Interval, Cervicovaginal Fluid, Cytokines, Body Mass Index, Cervical Cerclage

  JOURNAL NAME: Advances in Reproductive Sciences, Vol.7 No.4, November 25, 2019

  ABSTRACT: Objectives: Evaluation of change of cervicovaginal fluid (CVF) cytokines’ levels during pregnancy and its relation to incidence of preterm birth (PTB). Patients & Methods: Pregnant women with history of PTB and cervical length α (TNF-α) and interleukins (IL)-6 and -10 levels. Study outcomes included differences in cytokines’ levels between samples and groups. Results: Sample-I cytokines’ levels were significantly higher in study than control women. Cytokines’ levels in Sample-II were significantly higher in control, while were significantly lower in study women compared to Sample-I. Sixteen study women had PTB and had significantly higher CVF levels of IL-10 and TNF-α estimated in both samples than women had no PTB. Pregnancy duration was negatively correlated with maternal body mass index (BMI) and cytokines’ levels, while was positively correlated with inter-pregnancy interval (IPI). Cytokines’ levels were positively correlated with BMI and negatively correlated with IPI. Short IPI and high TNF-α levels are negative predictors for pregnancy duration. Conclusion: High BMI, short IPI and high CVF inflammatory cytokines’ levels negatively affect pregnancy duration especially in women with history of recurrent PTB. Early prophylactic CC for women at high-risk of SPTB can modulate local immune disturbance, reduce incidence of SPTB and prolong pregnancy duration.