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Palmsten, K., Homer, M.V., Zhang, Y., Crawford, S., Kirby, R.S., Copeland, G., Chambers, C.D., Kissin, D.M. and Su, H.I. (2018) States Monitoring Assisted Reproductive Technology (SMART) Collaborative: In Vitro Fertilization, Interpregnancy Interval, and Risk of Adverse Perinatal Outcomes. Fertility and Sterility, 109, 840-848.e1.
https://doi.org/10.1016/j.fertnstert.2018.01.019

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.