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Compared to infant formula, breast milk is the best source of nutrition for infants; it not only improves the neonatal intestinal function, but also regulates the immune system and gut microbiota composition. However, probiotic-fortified infant formula may further enhance the infant gut environment by overcoming the limitations of traditional infant formula. We investigated the probiotic formula administration for one month by comparing 118 Korean infants into the following three groups: infants in each group fed with breast milk (50), probiotic formula (35), or placebo formula-fed group (33). Probiotic formula improved stool consistency and defecation frequency compared to placebo formula-fed group. The probiotic formula helped maintaining the level of secretory immunoglobulin A (sIgA), which had remarkably decreased over time in placebo formula-fed infants (compared to weeks 0 and 4). Moreover, probiotic formula decreased the acidity of stool and considerably increased the butyrate concentration. Furthermore, the fecal microbiota of each group was evaluated at weeks 0 and 4. The microbial composition was distinct between each groups, and the abundance of health-promoting bacteria increased in the probiotic formula compared to the placebo formula-fed group. In summary, supplementation of probiotic infant formula can help optimize the infant gut environment, microbial composition, and metabolic activity of the microbiota, mimicking those of breast milk.

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Purpose Conditions affecting the elbow, forearm, wrist, and hand can cause debilitating pain and loss of function in the working population. While there is knowledge about intervention options for this region of the body, there is limited research on systematically identifying the predictors of return to work in this population. Methods A systematic literature review identified all English-language studies that assess predictors of return to work for people with elbow, wrist, and hand conditions from 2009 to 2021 using PRISMA guidelines. Studies that examined exclusively shoulder injuries, randomized control trials, non-human studies, case studies, case reports, case series, and narrative reviews were excluded. Participants of included studies must have a health-related condition of the fingers, wrist, forearm, and elbow that is preventing work participation and must be 16 years and older. Included studies must be observational, longitudinal, and include a return to work outcome. Results Nineteen out of 170 studies were included. Average time away from work varied between seven to 304 days. Positive predictors of early return to work include: demographics, type of injury, type of treatment, work status, physical factors, psychological factors, use of self-reported outcome measures, and self-reported pain. Conclusion Five clinician recommendations were developed based on the findings of our systematic review. Clinicians should consider the type of work, use of outcome measures, psychological factors, hospitalization, and salary. These recommendations are intended to influence the behavior of clinicians when determining prognosis for return to work of people with elbow, wrist, and hand conditions.

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OBJECTIVE: To investigate the role of maternal serum placenta growth factor (PlGF) and quadruple test parameters in predicting the risk of small for gestational age (SGA) infants of mothers without preeclampsia. MATERIALS AND METHODS: We prospectively enrolled 300 pregnant patients who underwent blood sampling at 15-18 weeks gestation and followed them until delivery. Cases with SGA neonate delivery (n = 100) were compared with matched AGA neonate controls (n = 200). The plasma PlGF and quadruple markers were measured by enzyme-linked immunosorbent assay. The results were analyzed with Mann-Whitney U tests, and regression analysis was used to develop a model for the prediction of SGA. RESULTS: Women who delivered SGA neonates had decreased levels of PlGF (median 0.71 MoM versus 0.7 MoM; p < 0.01), hCG (median 0.97 MoM versus 1.06 MoM; p = 0.046) and uE3 (median 0.92 MoM versus 1.04 MoM) compared to the AGA group. AFP, hCG and inhibin-A levels did not differ significantly. A PlGF concentration <0.37 MoM had a sensitivity of 28.0% (95% CI: 19.5-37.9) and a specificity of 89.5% (95% CI: 84.4-93.4) for the prediction of SGA neonates without PE. CONCLUSION: SGA neonates in the absence of PE could potentially be identified at 15-18 weeks of pregnancy.

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OBJECTIVE: To evaluate the predictive factors associated with the success of medical abortion by misoprostol monotherapy within 24 hours in the first trimester of pregnancy. METHODS: The records of 228 women with miscarriage up to 11 weeks of gestational age who underwent medical abortion by intravaginal misoprostol monotherapy were reviewed. Success of abortion was defined as complete expulsion of the conceptus without the need for surgical intervention. Outcomes of interest were success of abortion within 24 hours following administration of misoprostol. RESULTS: Among 222 women who continued the process of medical abortion for 24 hours, 209 (94.1%) had a successfully completed abortion. Multivariate logistic regression showed that serum ß-human chorionic gonadotropin (ß-hCG) above 40,000 mIU/mL is significantly associated with failed medical abortion within 24 hours (odds ratio [OR], 7.13; 95% confidence interval [CI], 1.60-37.32; P=0.011). The area under the receiver operating characteristic curve of ß-hCG level associated with successful abortion within 24 hours was 0.705 (95% CI, 0.63-0.77; P=0.007). Previous vaginal delivery seems to be significantly associated with successful abortion within 24 hours on univariate analysis (P=0.037), but the association was lost in multivariate analysis. CONCLUSION: Misoprostol monotherapy has a high success rate for first trimester abortion. Women with serum ß-hCG less than 40,000 mIU/mL are likely to achieve a successful abortion within 24 hours after intravaginal administration of misoprostol.

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OBJECTIVE: To evaluate the relationships between sociodemographic factors, reproductive history, and subsequent risk of osteoarthritis (OA) or pain of the hip, knee, and back in Korean women. MATERIALS AND METHODS: This study included data of 5101 women aged over 50 years, taken from the Korean National Health and Nutritional Examination Survey V from 2010 to 2012. Women were stratified according to parity, as well as delivery mode. Multivariate logistic regression analysis was conducted to evaluate relationships between radiographic OA or symptomatically possible OA (back, knee, or hip), and historical factors. RESULTS: Vaginal delivery was associated with an increased risk of symptomatic back OA [odds ratio (OR) 1.75, 95% confidence interval (CI) 1.062, 2.881] but was not associated with symptomatic knee and hip OA in adjusted analysis. Radiographically, vaginal delivery was not associated with risks of back and knee OA, but was negatively associated with hip OA (OR 0.184, 95% CI 0.039, 0.863), compared to cesarean delivery. High parity (over 5) was associated with radiographic knee OA (OR 1.328, 95% CI 1.006, 1.754) in adjusted analysis. High parity (over 3) was associated with symptomatic back OA. CONCLUSION: Parity was associated with higher risk of radiographic knee OA. Vaginal delivery was positively associated with symptomatic back OA, but negatively associated with radiographic knee OA. Further study is required to evaluate the mechanism between delivery mode and subsequent OA.

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Hyperlipidaemia and hypercholesterolaemia are risk factors of atherosclerosis and cardiovascular disease. The reference range of lipids during pregnancy has not yet been clearly set. This study sought to measure lipid parameters and pentraxin (PTX) 3 levels in low-risk pregnant women. The participants had serial blood samples taken between their 6th-9th week, 10th-13th week, 14th-19th week, 24th-29th week and 35th-40th week (as long as there were no contractions), during the labour period, and 2 days after delivery. The same tests were carried out on cord blood after delivery. There were 116 participants, of which 72 were included in the study and 44 were excluded. Total-c, HDL-c, LDL-c, TG and PTX3 increased as the pregnancy progressed. During labour, Total-c, HDL-c, LDL-c and PTX3 increased, but TG decreased. After delivery, TG and PTX3 increased but other parameters decreased from the value measured during the 35th-40th week. This study measured changes in lipid profiles and PTX3 during pregnancy, labour and after delivery, establishing a foundation for future studies.

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OBJECTIVE: To investigate the relationship between placenta and perinatal outcomes, in preterm infants born to mothers with preterm premature rupture of fetal membrane (PPROM). METHODS: We report detailed histology of placentas and perinatal outcomes of infants from 79 PPROM pregnancies. Placental histologic pattern and adverse perinatal outcomes were assessed by logistic regression, adjusting for gestational age at birth, birth weight and interval from rupture of membrane to delivery. RESULTS: Mean gestational age at membrane rupture was 29.5 ± 3.4 weeks. The incidence of histologic chorioamnionitis (HCA), fetal inflammatory response (FIR) and vascular thrombotic abnormalities in placental histologic examination were 63.3, 25.3 and 78.5%, respectively. Neonates with FIR showed significantly higher incidence of periventricular leukomalacia (PVL) (85% versus 59.3%, p = 0.0364) at brain ultrasonography, than neonates without FIR, in univariate analysis, but not in logistic regression analysis. In logistic regression analysis, the odds ratio of low Apgar score at 1 min in the neonates with clinical chorioamnionitis was 5.009 (95% CI, 1.242-20.195). The odds ratio of neonatal seizure in the neonates with FIR and vascular thrombotic problem was 7.486 (95% CI, 1.617-34.653). CONCLUSIONS: Our findings support the association between FIR with vascular thrombotic problem in placenta and neonatal seizure, in pregnancies with PPROM.

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We present a case of a fetal adrenal hemorrhage, a rare disease in fetal life, detected prenatally at 36 weeks' gestation by ultrasound. Routine ultrasound examination at 36 weeks' gestation by primary obstetrician showed a cyst on the fetal suprarenal area. Initially, the suspected diagnosis was a fetal adrenal hemorrhage, but we should diagnose differently from neuroblastoma. Subsequent ultrasound examination at 38 and 39 weeks' gestation showed increase of the cyst in size. A 3.34-kg-male neonate was born by spontaneous vaginal delivery at 39 weeks' gestation. The diagnosis of adrenal hemorrhage was confirmed by postnatal follow-up sonograms and magnetic resonance imaging. Course and sonographic signs were typical for adrenal hemorrhage and the neonate was therefore managed without surgical exploration.

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[Purpose] Although the Push-Up Plus is a useful exercise method for shoulder stabilization, few studies have examined its effects at different angles of shoulder rotation. Therefore, the present study investigated the most effective exercise method for shoulder stabilization by analyzing muscle activities of the rotator cuff muscles at different angles of shoulder rotation. [Subjects] Fifteen healthy university students in their 20s were the subjects of this study. [Methods] Changes in muscle EMG related to shoulder stabilization were analyzed by performing the Push-Up Plus in shoulder positions of neutral, internal and external rotation. [Results] The highest muscle activity was found in external rotation, and in internal rotation the pectoralis major and levator scapula showed significantly lower activities than the other positions. [Conclusion] Selectively changing the rotation angle of the shoulder for different purposes of the shoulder exercise would be an effective exercise method.