Health education on sexually transmitted infections (STIs), condom use, and partner notification (PN) is required to increase partner evaluation/treatment (PET) rate. To examine this issue, a randomized controlled trial comparing video-based and nurse-led education in women diagnosed with their first STI at the Siriraj Female STI clinic was conducted from March 2015 to March 2017. PN was assessed at two weeks and PET was done at four weeks. Of 330 patients, 225 were included in the analysis (N = 113 and N = 112 for video-based and nurse-led groups, respectively). Each participant reported one partner who needed to be notified. The participants' median age was approximately 30 years old and they had been diagnosed with PID (N = 85), hepatitis B (N = 49), trichomoniasis (N = 45), syphilis (N = 30), and gonorrhea (N = 16). Characteristics were comparable between groups. There was no statistical difference in the PN rates (95.6% vs. 90.2%, p = 0.116), while the PET rate was significantly higher in the nurse-led group (49.6% vs. 67.9%; OR 0.47, 95% CI: 0.27-0.81; p = 0.005). Having endured symptoms for <7 days, being pregnant and detection of STIs during antenatal/pre-operative blood tests were positive predictors of PET (OR: 3.34, 95% CI: 1.81-6.14; 18.70, 95% CI: 5.61-62.31; and 22.07, 95% CI: 6.46-75.41, respectively). In conclusion, video-based education is as effective as nurse-led education in terms of PN rate but results in lower PET.

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To determine whether a history of previous Cesarean delivery (CD) impacts uterine artery (UtA) Doppler indices throughout pregnancy. Women with and without CD (NCD) were prospectively enrolled for sequential assessments of the UtA mean/median pulsatility index (UtA-PI), resistance index (UtA-RI), and systolic/diastolic ratio (UtA-S/D) at 11–13 + 6, 14–19 + 6, 30–34 + 6, and 35–37 + 6 weeks’ gestation. Data from 269/269, 246/257, 237/254, and 219/242 CD/NCD participants from each gestational period were available for analysis. Multiples of the median (MoMs) of UtA Doppler indices showed biphasic temporal (Δ) pattern; with an initial dropping until the second trimester, then a subsequent elevation until late in pregnancy (p < 0.05). The measurements and Δs of the UtA indices between CD and NCD were not different (p > 0.05). Mixed-effects modelling ruled out effects from nulliparity (n = 0 and 167 for CD and NCD, respectively) (p > 0.05). History of CD neither influenced the measurements nor the temporal changes of the UtA Doppler indices throughout pregnancy. The biphasic Δs of UtA Doppler indices added to the longitudinal data pool, and may aid in future development of a more personalized prediction using sequential/contingent methodologies, which may reduce the false results from the current cross-sectional screening.

Virtual poster abstractspart of the LMM. The random part of the LMM showed an effect of both intercept and slope. The dispersion of the random intercept (subject specific difference) was smaller in APS group with normal outcome as compared to matched controls. Conclusions: Our analysis showed a lower UtA-PI in APS patients under treatment and with a normal outcome pregnancy when compared to normal matched controls at 11-36 weeks. In this series of pregnancies, an optimal adherence to therapy was associated with a greater uterine perfusion and reduced inter-subject heterogeneity. VP37.13Longitudinal study of uterine artery Doppler indices throughout gestation in women with and without previous Caesarean delivery