BackgroundOphthalmia neonatorum, or neonatal conjunctivitis, is an acute infection that occurs within the first 28 days of life. This aim of this survey was to evaluate the current methods of preventive treatment for ophthalmia neonatorum in maternity hospitals in Croatia.Material/MethodsThe annual hospital birth rate in Croatia is approximately 40,000. A clinical survey was undertaken with data collected using questionnaires sent to all 32 maternity hospitals in Croatia. There was a 100% response rate to the questionnaires.ResultsPreventive treatment for ophthalmia neonatorum was administrated to all newborns in 75% (24/32) of Croatian maternity hospitals. In 45.8% of maternity hospitals, (11/32) these procedures were performed within the first hour after birth. In 54.2% of maternity hospitals (13/32), preventive treatment for ophthalmia neonatorum was administrated to all newborns from one to three hours after birth. The main treatment agent was tobramycin (83.3%). Other topical prophylactic treatments included povidone-iodine (8.3%), erythromycin (4.2%), and silver nitrate (4.2%). In 25% of obstetric units, prophylaxis for ophthalmia neonatorum was not used routinely, but in cases of diagnosed neonatal conjunctivitis, antibiotic treatment with tobramycin was mainly used.ConclusionsA survey of all 32 maternity hospitals in Croatia showed variation in the prevalence of preventive treatment for ophthalmia neonatorum and the methods used. These findings support the need to implement standardized preventive measures that both conform to international clinical guidelines and recognize treatment availability in Croatia, where topical povidone-iodine is currently preferred for the prevention of ophthalmia neonatorum.

SUMMARY -Episiotomy is obstetric procedure during which the incision extends the vestibule of the vagina during the second stage of labor. Episiotomy was extensively spread with gradual increase of rates in the fi rst half of the 20 th century and was performed mediolaterally in all nulliparous women with the idea to protect fetal head from trauma and pelvic fl oor from injuries. However, reports claiming that episiotomy had no such benefi ts were published. It was shown that routine mediolateral episiotomy did not protect against the appearance of urinary incontinence after vaginal delivery, while the risk of anal incontinence could be increased. Th e role of episiotomy in development of pelvic fl oor dysfunction remains quite unclear. Due to the mentioned reason, restricted episiotomy approach should be accepted. Th e origin of stress incontinence during pregnancy is controversial and not definitely scientifi cally proven. Pregnancy per se and older age at fi rst delivery may have impact on the onset of pelvic fl oor dysfunction. Urinary incontinence in pregnancy increases the risk of later urinary incontinence, both postpartum and later in life. Vaginal delivery is just one of the potential risk factors for development of urinary incontinence. Mechanical pressure by fetus on the pelvic fl oor structures, limited denervation of the pelvic fl oor and soft tissue damage during delivery are some of explanations for the onset of stress urinary incontinence. On the other hand, cesarean delivery might not be protective against emergence of urinary incontinence. Further research in this fi eld is needed.

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Poster abstractsan almost linear way with gestational age, whereas little variability is observed for PI and RI in the renal arteries. The Vmax in the renal veins increases with gestational age, whereas little variation in PI is observed. These data are consistent with those in literature. Conclusions: Reference curves for renal Dopplers flow measurements in normal pregnancies are provided. These will serve as potential predictors for renal function in fetuses with renal and urinary tract pathology.P01.14 Bilateral accessory renal arteries: a prenatal observation

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Objectives: To describe the antenatal ultrasound findings and outcome of fetuses with echogenic lung masses. Methods: Ten fetuses with echogenic lung masses suspected prenatally by ultrasound were observed in a total of 2916 examinations performed in our unit from 2011 up to 2014. Eleven cases of congenital diaphragmatic hernia were excluded. Results: There were three cases of congenital pulmonary airway malformation (CPAM). Five cases of pulmonary sequestration (PS), three of them were considered to have also CPAM. One case of congenital high airway obstruction syndrome (CHAOS) and one case of unilateral bronchial obstruction (UBO). In all cases, a displacement of the heart and abnormal lung was observed and presence of an aberrant vessel rising from the descending aorta was seen in all PS cases. In 8 cases, magnetic resonance imaging (MRI) was performed, in 7/8 helped to clarify the diagnosis. The prenatal management in all cases was expectant and in cases of CPAM and PS + CPAM, a course of corticosteroids was administered. We observed prenatal remission of the lung mass in 6 cases (complete: 4 and partial: 2). One case of PS had hydrothorax, which decreased completely along gestation. The fetus with CHAOS develop hydrops and died in utero. The fetus with UBO had a right aortic arch and during pregnancy the obstruction decreases and the lung recovered to its normal size. Conclusions: The fetuses with echogenic lung masses is a rare congenital abnormality (1/1,000 birth). Clinical diagnosis can be suspected by US, but the final classification may be difficult and others diagnostic tools (MRI and histology) should be employed. In most cases prognosis is good (even in a case with PS and hydrothorax), except in CHAOS. Corticosteroid therapy should be offered in cases of CPAM and PS (mixed). EP09.09 The importance of malformation counting method in patients with more malformed organs for the diagnostic accuracy in the tertiary referral centre

Electronic poster abstractsintrusive investigation than transabdominal (TA) and as such the use of real patients for training or skill assessment in this modality has ethical considerations. The objective of this study was to assess the quality of images obtained by novice trainees on a TV ultrasound simulator with inbuilt metrics following a simulation teaching session. Methods: 32 trainees with minimal ultrasound experience completed a two-hour gynecology ultrasound simulation session on the Volutracer OPUS system (Medge Platforms) using a TV probe. The trainees were asked to obtain 12 different views of pelvic structures and complete a pre-test, online tutorial and finally a post-test. The outcomes measures were: average accuracy score for obtaining the correct anatomical plane, percentage of correctly acquired target planes, average number of movements, time to achieve image, distance travelled by probe and accumulated angling of the probe for each image. An unpaired T test assuming equal variance pre-and post-test aggregate scores was performed. Results: Mean post-test vs. pre-test aggregate scores were accuracy score: 5.27 vs. 3.95 (p = <0.0001) percentage of correctly acquired target planes: 43% vs. 28% (p = 0.0001), reduction in number of movements: 12 vs. 23 (p = <0.0001), user time: 14.3 seconds vs. 21.6 seconds (p = 0.001), distance 14.98 vs. 24.89 (p = 0.006) and in accumulated angling: 205 vs. 316 (p = 0.053). Conclusions: There was an improvement in all outcome measures following the simulation training session. If further investigation demonstrates that the simulation metrics are able to determine differing levels of clinical competence, then simulation in TV ultrasound could provide a valuable adjunct to scanning on real patients for both training and assessment. EP27.10 Fetal facial expression in response to intravaginal emission of different types of music

Electronic poster abstracts occurred without complications, with normal USG and MRI. Cephalic perimeter (CP) at birth, postnatal MRI and neurocognitive development were normal. Case 2: In 2015 presented exanthema in the first trimester and NB with SZC (microcephaly, subcortical calcifications and RT-PCR positive). The following gestation occurred in 2017, without complications, with normal USG. CP at birth, postnatal MRI and neurocognitive development was normal. Case 3: Previous pregnancy in 2015 without exanthema and NB with SZC (microcephaly, subcortical calcifications and positive RT-PCR). The following pregnancy occurred in 2017, without complications, with normal USG. CP at birth, postnatal CT and neurocognitive development were normal. Case 4: Previous pregnancy in 2015 with exanthema and NB with SZC (severe ventriculomegaly, lysencephaly, severe cerebellar hypoplasia, unilateral microphthalmia, cataract, arthrogryposis and positive RT-PCR), with neonatal death. The following pregnancy occurred in 2017, without intercurrences, with normal USG. CP at birth, postnatal CT and MRI, and neurocognitive development were normal.