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Abstract Background Pre-pregnancy obesity and excessive gestational weight gain (GWG) are established risk factors for adverse pregnancy, delivery and birth outcomes. Pregnancy is an ideal moment for nutritional interventions in order to establish healthier lifestyle behaviors in women at high risk of obstetric and neonatal complications. Methods Electronic-Personalized Program for Obesity during Pregnancy to Improve Delivery (ePPOP-ID) is an open multicenter randomized controlled trial which will assess the efficacy of an e-health web-based platform offering a personalized lifestyle program to obese pregnant women in order to reduce the rate of labor procedures and delivery interventions in comparison to standard care. A total of 860 eligible pregnant women will be recruited in 18 centers in France between 12 and 22 weeks of gestation, randomized into the intervention or the control arm and followed until 10 weeks of postpartum. The intervention is based on nutrition, eating behavior, physical activity, motivation and well-being advices in which personalization is central, as well as the use of a mobile/tablet application. Inputs includes data from the medical record of participants (medical history, anthropometric data), from the web platform (questionnaires on dietary habits, eating behavior, physical activity and motivation in both groups), and adherence to the program (time of connection for the intervention group only). Data are collected at inclusion, 32 weeks, delivery and 10 weeks postpartum. As primary outcome, we will use a composite endpoint score of obstetrical interventions during labor and delivery, defined as caesarean section and instrumental delivery (forceps and vacuum extractor). Secondary outcomes will consist of data routinely collected as part of usual antenatal and perinatal care, such as GWG, hypertension, preeclampsia, as well as fetal and neonatal outcomes including premature birth, gestational age at birth, birth weight, macrosomia, Apgar score, arterial umbilical cord pH, neonatal traumatism, hyperbilirubinemia, respiratory distress syndrome, transfer in neonatal intensive care unit, and neonatal adiposity. Post-natal outcomes will be duration of breastfeeding, maternal weight retention and child weight at postnatal visit. Discussion The findings of the ePPOP-ID trial will help design e-health intervention program for obese women in pregnancy. Trial registration ClinicalTrials.gov Identifier: NCT02924636 / October 5th 2016.

Objective: Induction of labor concerns about 29 % of women in Unites States and 33 % in Europe. Among the various methods for cervical ripening, the efficacy and safety profiles of oral misoprostol and balloon catheter are comparable, but data in the literature on maternal satisfaction during induction of labor are few. The objective of this study was to assess the satisfaction of women who chose the method of cervical ripening, i.e. either balloon catheter or oral misoprostol, for induction of labor. Study design: This retrospective study asked women who had undergone induction of labor between February 1, 2020 and February 28, 2021. After receiving verbal and written information, the choice of method between oral misoprostol and balloon catheter was left to the patient’s free appreciation. Satisfaction was assessed by means of a questionnaire distributed to all women during their stay in the maternity unit. The principal assessment criterion was based on women’ inclination to choose the same cervical ripening method if induction of labor were to prove necessary in a future pregnancy, and their willingness to recommend this method to a friend. Univariate analyses were conducted using Student’s t-test, Chi-2 test or Fisher’s exact test. Results: On 575 women eligible for analysis, 365 (63.5 %) of these women replied to the satisfaction questionnaire. Of this number, 236 (64.7 %) chose cervical ripening by balloon catheter, and 129 (35.3 %) by oral misoprostol. No significant difference was found between the two groups: 68.2 % of women in the balloon catheter group would opt for the same method of cervical ripening if it proved necessary in a future pregnancy and 64.7% would recommend it to a pregnant friend, versus 65.9 % and 63.6 % in the oral misoprostol group, respectively. Women were overall pleased to be able to choose their method of cervical ripening: 90.5 % of patients in the balloon catheter group and 95.3 % in the oral misoprostol group Conclusions: When women choose the method of cervical ripening, satisfaction is overall good, irrespective of the method, whether by balloon catheter or misoprostol.

IntroductionOne of the drawbacks of fetoscopic endoluminal tracheal occlusion (FETO) for congenital diaphragmatic hernia is the need for a second invasive intervention to reestablish airway patency. The "Smart-TO" (Strasbourg University-BSMTI, France) is a new balloon for FETO, which spontaneously deflates when positioned near a strong magnetic field, e.g., generated by a magnetic resonance image (MRI) scanner. Translational experiments have demonstrated its efficacy and safety. We will now use the Smart-TO balloon for the first time in humans. Our main objective is to evaluate the effectiveness of prenatal deflation of the balloon by the magnetic field generated by an MRI scanner.Material and methodsThese studies were first in human (patients) trials conducted in the fetal medicine units of Antoine-Béclère Hospital, France, and UZ Leuven, Belgium. Conceived in parallel, protocols were amended by the local Ethics Committees, resulting in some minor differences. These trials were single-arm interventional feasibility studies. Twenty (France) and 25 (Belgium) participants will have FETO with the Smart-TO balloon. Balloon deflation will be scheduled at 34 weeks or earlier if clinically required. The primary endpoint is the successful deflation of the Smart-TO balloon after exposure to the magnetic field of an MRI. The secondary objective is to report on the safety of the balloon. The percentage of fetuses in whom the balloon is deflated after exposure will be calculated with its 95% confidence interval. Safety will be evaluated by reporting the nature, number, and percentage of serious unexpected or adverse reactions.ConclusionThese first in human (patients) trials may provide the first evidence of the potential to reverse the occlusion by Smart-TO and free the airways non-invasively, as well a safety data.

Introduction: Congenital volvulus without a prenatal diagnosis of malrotation is an extremely rare cause of acute intestinal obstruction in the foetal and neonatal period with a high morbidity and mortality. The aim of this report is to describe prenatal imaging, pregnancy characteristics and clinical outcomes to identify a gold standard management approach for neonates affected by congenital volvulus through our experience with this case as well as a review of the literature. Case presentation: We describe an intrauterine case of volvulus without malrotation suspected by prenatal ultrasound at 28 weeks' gestation, with enlarged hyperechogenic loops without peristalsis in a 715g preterm boy born at 29 weeks' gestation. The discrepancy between the minimal clinical manifestations and the severity of intestinal pathology is highlighted. At explorative laparotomy following delivery, a congenital mesenteric defect was identified through which small bowel had herniated and volvulised, causing prenatal bowel dilatation and necrosis. The necrotic bowel was resected, and both an ileostomy and jejunostomy were created within 30 hours of birth. However, severe post-operative complications were encountered, which ultimately led to the newborn's death. Conclusion: Foetal volvulus is a rare condition with high rates of preterm birth and perinatal mortality. A high index of suspicion is required in cases of bowel dilatation, intestinal duplication or malrotation. Strict foetal follow up with serial ultrasound assessment and planned cesarean delivery are recommended. Multidisciplinary care is essential. Time of delivery and surgical intervention should be standardised to reduce the risk of neonatal mortality.

Introduction A growing number of international studies have highlighted the adverse consequences of lived experience in the first thousand days of pregnancy and early life on the probability of stillbirth, child mortality, inadequate growth and healthy development during both childhood and adulthood. The lived experience of the fetus inside the womb and at the birth is strongly related to both maternal health during pregnancy and maternal exposure to a set of environmental factors known as ‘exposome’ characteristics, which include environmental exposure, health behaviours, living conditions, neighbourhood characteristics and socioeconomic profile. The aim of our project is to explore the relationships between exposome characteristics and the health status of pregnant women and their newborns. We are particularly interested in studying the relationships between the social inequality of adverse pregnancy outcomes and (1) short-term exposure to atmospheric pollution (MobiFem project) and (2) pregnancy lifestyle (EnviFem project).Methods and analysis Ours is a prospective, observational and multisite cohort study of pregnant women, involving one teaching hospital across two sites in the Strasbourg metropolitan area.The research team at University Hospital of Strasbourg (HUS) Health collects data on outcomes and individual characteristics from pregnancy registries, clinical records data and questionnaires administered via email to study participants. Recruitment began in February 2021 and will be complete by December 2021. Participants are recruited from first trimester antenatal ultrasound examinations (conducted on weekdays across both sites); each woman meeting our inclusion criteria enters the cohort at the end of her first trimester. Study participants receive a total of three online questionnaires covering sociodemographic characteristics, travel behaviour patterns and lifestyle. Participants complete these questionnaires at recruitment, during the second and third trimester. The level of personal exposure to air pollution is characterised using a dynamic spatiotemporal trajectory model that describes the main daily movements of pregnant women and the time spent in each place frequented. Univariate, multilevel and Bayesian model will be used to investigate the relationships between exposome characteristics and the health status of pregnant women and their newborns.Ethics and dissemination Our research was approved by the Commission de Protection des Personnes (CPP) Ile de France VI (Paris) on 9 December 2020 (File reference No. 20.09.15.41703 ID RCB: 2020-A02580-39 and No. 20 080–42137 IDRCB 2020-A02581-38). The Agence Nationale de Sécurité du Médicament was informed of it on 15 December 2020. Findings from the study will be disseminated through publications and international conferences and through presentation at meetings with local stakeholders, researchers and policy-makers.Trial registration numbers NCT04705272, NCT04725734