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second stage of labor

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https://www.readbyqxmd.com/read/28804645/risk-factors-affecting-the-severity-of-full-term-neonatal-retinal-hemorrhage
#1
Zhang Yanli, Zhao Qi, Lin Yu, Guo Haike
OBJECTIVE: The purpose of this study was to explore the underlying clinical factors associated with the degree of retinal hemorrhage (RH) in full-term newborns. METHODS: A total of 3054 full-term infants were included in this study. Eye examinations were performed with RetCamIII within one week of birth for all infants. Maternal, obstetric, and neonatal parameters were compared between newborns with RH and controls. The RH group was divided into three sections (I, II, and III) based on the degree of RH...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28800885/methyl-farnesoate-epoxidase-mfe-gene-expression-and-juvenile-hormone-titers-in-the-life-cycle-of-a-highly-eusocial-stingless-bee-melipona-scutellaris
#2
Carlos Antônio Mendes Cardoso-Júnior, Renato Pereira Silva, Naiara Araújo Borges, Washington João de Carvalho, S Leal Walter, Zilá Luz Paulino Simões, Marcia Maria Gentile Bitondi, Carlos Ueira Vieira, Ana Maria Bonetti, Klaus Hartfelder
In social insects, juvenile hormone (JH) has acquired novel functions related to caste determination and division of labor among workers, and this is best evidenced in the honey bee. In contrast to honey bees, stingless bees are a much more diverse group of highly eusocial bees, and the genus Melipona has long called special attention due to a proposed genetic mechanism of caste determination. Here, we examined methyl farnesoate epoxidase (mfe) gene expression, encoding an enzyme relevant for the final step in JH biosynthesis, and measured the hemolymph JH titers for all life cycle stages of Melipona scutellaris queens and workers...
August 9, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28779926/the-effect-of-transcutaneous-electrical-nerve-stimulation-on-the-severity-of-labor-pain-among-nulliparous-women-a-clinical-trial
#3
Roonak Shahoei, Shole Shahghebi, Masomeh Rezaei, Shayan Naqshbandi
INTRODUCTION: This study aimed to investigate the effect of transcutaneous electrical nerve stimulation on labor pain among nulliparous women referred to a hospital in an urban area of Iran. MATERIALS AND METHODS: Samples were consisted of 90 nulliparous women. They were randomly assigned into three groups with equal number in each groups: experiment group, placebo group and control. Pain was measured using the visual pain severity scale. FINDINGS: The mean of the severity of labor pain indicated a statistically significant difference after the intervention...
August 2017: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/28779925/effects-of-low-back-massage-on-perceived-birth-pain-and-satisfaction
#4
Seda Unalmis Erdogan, Emre Yanikkerem, Asli Goker
AIM: The aim of the study was to evaluate the effect of low back massage on perceived birth pain and delivery. METHOD: This study was designed as a study-control experimental type. The study sample consisted of 62 pregnant women (massage group = 31, control group = 31). Massage was applied to the study group in three phases during intrapartum period. The massages were done at the end of latent, active and transition phases (at cervical dilatation 3-4 cm, 5-7 cm, 8-10 cm) correspondingly...
August 2017: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/28753544/effect-of-female-genital-cutting-performed-by-health-care-professionals-on-labor-complications-in-egyptian-women-a-prospective-cohort-study
#5
Wael F Saleh, Haitham A Torky, Mohamed A Youssef, Wael S Ragab, Mohamed A Sayed Ahmed, Ashraf Eldaly
AIM: To examine the effect of the degree of female genital cutting (FGC) performed by health-care professionals on perineal scarring; delivery mode; duration of second stage of labor; incidence of perineal tears and episiotomy in a cohort of uncircumcised versus circumcised (types I and II) women. METHODS: A prospective cohort study included 450 primigravida women in active labor attending the Faculty of Medicine Cairo University Hospital between January 2013 and August 2014...
July 28, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28738718/correlation-between-clinical-fetal-head-station-and-sonographic-angle-of-progression-during-the-second-stage-of-labor
#6
Sharon Perlman, Zvi Kivilevitch, Orit Moran, Eldad Katorza, Salim Kees, Reuven Achiron, Yinon Gilboa
PURPOSE: To investigate the correlation between the angle of progression and the clinical fetal head station (FHS) during the second stage of labor, and to build reference range. MATERIALS AND METHODS: A prospective, observational study was conducted. Women carrying singleton term pregnancies were enrolled during the second stage of labor. FHS was assessed manually by a senior obstetrician, while the angle of progression (AOP) was assessed by transperineal ultrasound (TPU)...
July 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28738708/the-effect-of-hyoscine-butylbromide-on-the-duration-and-progress-of-labor-in-primigravidae-a-randomized-controlled-trial
#7
Ahmed M Maged, Medhat Mosaad, Ahmed AbdelHak, Mohamed M Kotb, Maged M Salem
OBJECTIVE: To assess the effect of hyoscine butylbromide (HBB) on duration of the first stage of labor in primigravdae. METHODS: A case control study conducted on 120 primigravida at term admitted in active labor were divided into 3 equal groups. A single dose of the drug (placebo or HBB 20 mg or HBB 40 mg) was injected intravenously slowly to groups A, B, C respectively. The duration of the first stage was calculated from the time of cervical dilatation of three to four centimeters in active labor until a fully dilated cervix was observed Results: The duration of first stage was significantly shorter in women receiving 20 and 40 mg of HBB when controlled to control women (187...
July 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28728149/higher-rates-of-operative-delivery-and-maternal-and-neonatal-complications-in-persistent-occiput-posterior-position-with-a-large-head-circumference-a-retrospective-cohort-study
#8
Oren Yagel, Sarah M Cohen, Michal Lipschuetz, Tali Bdolah-Abram, Hagai Amsalem, Doron Kabiri, Simcha Yagel
INTRODUCTION: We investigated whether large head circumference (HC) combined with persistent occiput posterior (OP) position is associated with higher rates of operative delivery and obstetric and neonatal complications than OP deliveries without large HC or in occiput anterior (OA) position. MATERIALS AND METHODS: Term singleton deliveries in our centers from January 2010 to December 2014, delivered in cephalic OA (n = 41,038) or OP position (n = 1,740), were assessed...
July 21, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28715964/uterine-and-abdominal-muscle-electromyographic-activities-in-control-and-pcea-treated-nulliparous-women-during-the-second-stage-of-labor
#9
Xueya Qian, Pin Li, Shao-Qing Shi, Robert E Garfield, Huishu Liu
OBJECTIVE: Patient-controlled epidural analgesia (PCEA), used to relieve pain during delivery, delays labor but the mechanism is unknown. The aim was to investigate the effects of PCEA on uterine and abdominal muscles electromyographic (EMG) activity during the second stage of labor. METHODS: This study included 45 nulliparous pregnant women without PCEA, 42 women with standard PCEA treatment given during the first stage of labor and stopped near the end of the first stage, and 22 women with standard PCEA treatment with continued use throughout the first and second stages of labor...
August 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28706170/-multiple-factors-in-the-second-trimester-of-pregnancy-on-preterm-labor-symptoms-and-preterm-birth
#10
Jeung Im Kim, Mi Ock Cho, Gyu Yeon Choi
PURPOSE: The aim of this study was to determine the influence of various factors on preterm labor symptoms (PLS) and preterm birth (PB). METHODS: This prospective cohort study included 193 women in the second stage of pregnancy. Multiple characteristics including body mass index (BMI), smoking, and pregnancy complications were collected through a self-report questionnaire. Pregnancy stress and PLS were each measured with a related scale. Cervical length and birth outcome were evaluated from medical charts...
June 2017: Journal of Korean Academy of Nursing
https://www.readbyqxmd.com/read/28699402/the-management-of-episiotomy-technique-and-its-effect-on-pelvic-floor-muscles-during-a-malposition-childbirth
#11
Dulce A Oliveira, Marco P L Parente, Begoña Calvo, Teresa Mascarenhas, Renato M Natal Jorge
Vaginal childbirth is the leading cause of pelvic floor muscles injury, which contributes to pelvic floor dysfunction, being enhanced by fetal malposition. Therefore, the aim of the present study is to verify the influence of mediolateral episiotomies in the mechanics of the pelvic floor with the fetus in occiput posterior position when compared to the occiput anterior position. Numerical simulations of vaginal deliveries, with and without episiotomy, are performed based on the Finite Element Method. The biomechanical model includes the pelvic floor muscles, a surface to delimit the anterior region of the birth canal and a fetus...
August 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28690864/surgical-site-infections-after-cesarean-delivery-epidemiology-prevention-and-treatment
#12
REVIEW
Tetsuya Kawakita, Helain J Landy
Cesarean delivery (CD) is one of the most common procedures performed in the United States, accounting for 32% of all deliveries. Postpartum surgical site infection (SSI), wound infection and endometritis is a major cause of prolonged hospital stay and poses a burden to the health care system. SSIs complicate a significant number of patients who undergo CD - 2-7% will experience sound infections and 2-16% will develop endometritis. Many risk factors for SSI have been described. These include maternal factors (such as tobacco use; limited prenatal care; obesity; corticosteroid use; nulliparity; twin gestations; and previous CD), intrapartum and operative factors (such as chorioamnionitis; premature rupture of membranes; prolonged rupture of membranes; prolonged labor, particularly prolonged second stage; large incision length; subcutaneous tissue thickness > 3 cm; subcutaneous hematoma; lack of antibiotic prophylaxis; emergency delivery; and excessive blood loss), and obstetrical care on the teaching service of an academic institution...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28640477/is-a-prolonged-second-stage-of-labor-too-long
#13
EDITORIAL
Sarah M Cohen, Michal Lipschuetz, Simcha Yagel
Professional guidelines define the second stage of labor as 'prolonged' at three hours for primiparous women with an epidural and two hours without, and at two hours for parous women with an epidural and one hour without(1). NICE guidelines from the UK define second stage length similarly, but take into consideration passive time at full cervical dilation and the time in active pushing(2).
June 22, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28631876/incidence-of-episiotomy-in-slovenia-the-story-behind-the-numbers
#14
Anita Jug Došler, Ana Polona Mivšek, Ivan Verdenik, Teja Škodič Zakšek, Tina Levec, Petra Petročnik
Episiotomy is a surgical cut of the perineum performed in the second stage of labor in order to widen the vaginal opening and thus facilitate the birth of an infant. Despite current recommendations against the routine use of episiotomy, it is one of the most commonly performed surgical interventions during childbirth. This retrospective study explores the number of episiotomies performed in Slovenian maternity hospitals and the differences in episiotomy rates in relation to parity. Data were obtained from the Slovenian National Perinatal Information System and pooled for 2013...
June 20, 2017: Nursing & Health Sciences
https://www.readbyqxmd.com/read/28602033/a-cross-sectional-study-exploring-the-incidence-of-and-indications-for-second-stage-cesarean-delivery-over-three-decades
#15
Greg A Pearson, Ian Z MacKenzie
OBJECTIVE: To observe the incidence of, indications for, and complications associated with second-stage cesarean delivery in 10-year intervals over 30 years. METHODS: The present analysis of prospectively collected data compared cesarean deliveries during 1976, 1986, 1996, and 2006 at John Radcliffe Hospital in Oxford, UK (n=3222). Pregnancy, delivery, and neonatal details were reviewed. RESULTS: The proportion of deliveries by cesarean in the second stage of labor increased from 0...
June 11, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28590104/time-remaining-in-labor-and-probability-of-vaginal-delivery-as-a-function-of-the-angle-of-progression-in-a-low-risk-population-with-a-normal-first-stage-of-labor-in-house-observational-study-and-comparison-with-the-data-in-the-literature
#16
Bianca Masturzo, Annalisa Piazzese, Sara Paracchini, Maria S Quezada, Tullia Todros, Antonio Farina
OBJECTIVE: The aim of the study was to investigate whether the angle of progression (AoP), as measured by transperineal ultrasound, was predictive of both the time remaining in labor and vaginal delivery. STUDY DESIGN: This was a prospective observational cohort study involving 270 low-risk women with singleton pregnancies at term. The AoP, measured at the end of the first stage of labor, was used as a predictive variable of time remaining in labor and mode of delivery...
June 7, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28547269/effect-of-intermittent-versus-continuous-bladder-catheterization-on-duration-of-the-second-stage-of-labor-among-nulliparous-women-with-an-epidural-a-randomized-controlled-trial
#17
Abeer Suleiman, Sobhiya Mruwat-Rabah, Gali Garmi, Dorit Dagilayske, Tair Zelichover, Raed Salim
INTRODUCTION AND HYPOTHESIS: Catheterization type among women laboring with epidural analgesia who develop bladder retention has been reported to affect labor duration and mode of delivery. We aimed to compare the effect of continuous bladder catheterization (CC) with that of intermittent bladder catheterization (IC) on the duration of the second stage of labor. METHODS: In a randomized trial, term nulliparous women with singleton gestation who requested epidural analgesia and were unable to void spontaneously were eligible and randomized to either CC or IC...
May 25, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28535320/effectiveness-of-a-labor-cervical-exam-model-in-family-medicine-and-ob-gyn-residents
#18
Joshua F Nitsche, Nora F Fino, Jose M Palomo, Abraham Portillo Perdomo, Brian C Brost
BACKGROUND AND OBJECTIVES: Labor cervical exam accuracy is an essential skill for family medicine and OB-GYN residents to master. To determine the effectiveness of simulation on labor cervical exam training, family medicine and OB-GYN residents were trained using a self-constructed PVC pipe-based cervical exam model during a short and intensive simulation workshop or "boot camp." METHODS: A task trainer was constructed that allows for the blind examination of cervical dilation and effacement...
May 2017: Family Medicine
https://www.readbyqxmd.com/read/28532287/maternal-body-mass-index-and-oxytocin-exposure-in-nulliparous-women-is-there-an-interaction-associated-with-maternal-and-neonatal-morbidities
#19
Akila Subramaniam, John Owen, Sukhkamal B Campbell, Lorie M Harper, Joseph L Fitzwater, Rodney K Edwards
OBJECTIVE: Increasing body mass index (BMI) and administered doses of oxytocin are related to maternal and neonatal morbidities. We evaluated the effect of oxytocin dosage, BMI, and their interaction on select perinatal outcomes. STUDY DESIGN: We retrospectively studied nulliparas with singletons ≥36 weeks' gestation who received oxytocin and reached the second stage of labor. Oxytocin dosage was defined by the oxytocin product ([maximum oxytocin dose] × [duration of oxytocin infusion]/100 (milliunits))...
June 6, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28483643/oxytocin-administration-during-spontaneous-labor-guidelines-for-clinical-practice-chapter%C3%A2-1-definition-and-characteristics-of-normal-and-abnormal-labor
#20
R Béranger, A A Chantry
No abstract text is available yet for this article.
May 5, 2017: Journal of gynecology obstetrics and human reproduction
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