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https://www.readbyqxmd.com/read/28719421/lifelong-estradiol-exposure-and-risk-of-depressive-symptoms-during-the-transition-to-menopause-and-postmenopause
#1
Wendy K Marsh, Joyce T Bromberger, Sybil L Crawford, Katherine Leung, Howard M Kravitz, John F Randolph, Hadine Joffe, Claudio N Soares
OBJECTIVE: Depression risk increases during the menopausal transition (MT) and initial postmenopausal years-both times of significant fluctuations of estrogen. Research to date provides limited support for the hypothesis that estrogen fluctuations play a role in the greater susceptibility to midlife depression. Importantly, not all women report depressive symptoms during the MT, and recent reports suggest that duration of exposure to estradiol throughout the adult years may also play a role in vulnerability to depression...
July 17, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28708529/maternal-and-non-maternal-factors-associated-with-late-embryonic-and-early-fetal-losses-in-dairy-cows
#2
Hany Abdalla, Adel Elghafghuf, Ibrahim Elsohaby, Mohammed A F Nasr
Defining factors associated with embryonic and/or fetal losses will be helpful in overcoming such problem, either by adjusting conditions or applying therapeutic approaches to high-risk cows. The objective of this study was to investigate the association between a number of maternal and non-maternal factors and the risk of late embryonic (LED) and early fetal death (EFD) in dairy herds. Additionally, we investigated the effect of treating pregnant cows either with GnRH on day 26 post-insemination, or GnRH on day 26 plus CIDR insertion between days 26 and 33 post-insemination, on the risk of LED/EFD...
April 4, 2017: Theriogenology
https://www.readbyqxmd.com/read/28708519/relationships-between-uterine-health-and-metabolism-in-dairy-cows-with-different-dry-period-lengths
#3
J Chen, N M Soede, G J Remmelink, R M Bruckmaier, B Kemp, A T M van Knegsel
The first objective of this study was to evaluate effects of dry period (DP) length and dietary energy source on ovarian activity, uterine health status, pregnancy rate, and days open in dairy cows in the second subsequent lactation after implementation of DP length and dietary treatments. The second objective was to determine relationships of uterine health status with ovarian activity, milk yield, energy balance (EB), and metabolic status in dairy cows. Holstein-Friesian dairy cows (n = 167) were assigned randomly to 1 of 3 DP lengths (0-, 30-, or 60-d) and 1 of 2 early lactation diets (glucogenic or lipogenic diet) for 2 subsequent lactations...
June 13, 2017: Theriogenology
https://www.readbyqxmd.com/read/28704852/pregnancy-and-tumor-outcomes-in-women-with-prolactinoma
#4
Bárbara Araujo, Sandra Belo, Davide Carvalho
Context Management of prolactinomas during pregnancy has always been a challenge. There is a concern about the risk of tumor growth, as well as the effects of the treatment on the developing fetus. Another issue that has been less studied is the outcome of women with prolactinoma after pregnancy and lactation. Objectives To evaluate remission of hyperprolactinaemia after pregnancy and lactation in women with prolactinoma. To describe the safety of dopamine agonists for the fetus and pregnancy outcomes. Methods A retrospective study of 32 pregnancies in women with prolactinoma was conducted in a single-centre...
July 13, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28698916/maternal-supplementation-with-small-quantity-lipid-based-nutrient-supplements-during-pregnancy-and-lactation-does-not-reduce-depressive-symptoms-at-6%C3%A2-months-postpartum-in-ghanaian-women-a-randomized-controlled-trial
#5
Harriet Okronipa, Seth Adu-Afarwuah, Anna Lartey, Per Ashorn, Stephen A Vosti, Rebecca R Young, Kathryn G Dewey
We examined the impact on depression at 6 months postpartum of maternal supplementation with small-quantity lipid-based nutrient supplement (SQ-LNS) compared to supplementation with iron and folic acid (IFA) or multiple micronutrients (MMN). In this partially double-blinded randomized controlled trial, pregnant women ≤20 weeks gestation (n = 1320) were recruited from antenatal clinics and randomly assigned to receive either (1) SQ-LNS during pregnancy and for 6 months postpartum, or (2) IFA during pregnancy only, or (3) MMN during pregnancy and for 6 months postpartum...
July 11, 2017: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/28696547/heat-stress-in-pregnant-sows-thermal-responses-and-subsequent-performance-of-sows-and-their-offspring
#6
REVIEW
Matthew C Lucy, Timothy J Safranski
Seasonal infertility is a significant problem in the swine industry, and may be influenced by photoperiod and heat stress. Heat stress during gestation in particular affects pregnancy, resulting in long-term developmental damage to the offspring. This review summarizes what is known about how heat stress on the pregnant sow affects lactation and her offspring. Sows responded to heat stress during gestation with increased rectal temperature, respiration rate, and skin temperature, and tended to reduce their activity-which may have changed their body composition, increasing the adipose-to-muscle ratio...
July 11, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28692728/effect-of-a-baby-led-approach-to-complementary-feeding-on-infant-growth-and-overweight-a-randomized-clinical-trial
#7
Rachael W Taylor, Sheila M Williams, Louise J Fangupo, Benjamin J Wheeler, Barry J Taylor, Lisa Daniels, Elizabeth A Fleming, Jenny McArthur, Brittany Morison, Liz Williams Erickson, Rhondda S Davies, Sabina Bacchus, Sonya L Cameron, Anne-Louise M Heath
Importance: Baby-led approaches to complementary feeding, which promote self-feeding of all nonliquid foods are proposed to improve energy self-regulation and lower obesity risk. However, to date, no randomized clinical trials have studied this proposition. Objective: To determine whether a baby-led approach to complementary feeding results in a lower body mass index (BMI) than traditional spoon-feeding. Design, Setting, and Participants: The 2-year Baby-Led Introduction to Solids (BLISS) randomized clinical trial recruited 206 women (168 [81...
July 10, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28690611/insight-into-the-endocrine-system-and-the-immune-system-a-review-of-the-inflammatory-role-of-prolactin-in-rheumatoid-arthritis-and-psoriatic-arthritis
#8
REVIEW
Man W Tang, Samuel Garcia, Danielle M Gerlag, Paul P Tak, Kris A Reedquist
Rheumatoid arthritis (RA) is a chronic autoimmune disease that affects females three times more frequently than males. A potential role for hormones, such as prolactin (PRL), may in part explain this phenomenon. The risk of developing RA is increased in women who are lactating after the first pregnancy, which might be related to breastfeeding and the release of PRL. Other studies found a protective effect of PRL on RA development. Some studies have reported that hyperprolactinemia is more common in RA and serum PRL levels are correlated with several disease parameters, although others could not confirm these findings...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28689624/neonatal-effects-after-vasopressor-during-spinal-anesthesia-for-cesarean-section-a-multicenter-randomized-controlled-trial
#9
K Uerpairojkit, R Anusorntanawat, A Sirisabya, M Chaichalothorn, S Charuluxananan
BACKGROUND: Placental transfer of ephedrine causes fetal effects when compared with phenylephrine. This study compared their drug effects on neonatal parameters after cesarean delivery under spinal anesthesia. METHODS: Three-hundred-and-fifty-four women undergoing elective cesarean delivery who needed intravenous vasopressor following spinal anesthesia were randomized into two groups. Group E received boluses of ephedrine 6mg, and Group P phenylephrine 100µg, titrated to maintain systolic blood pressure near baseline values...
July 6, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/28686309/absence-of-calcitriol-causes-increased-lactational-bone-loss-and-lower-milk-calcium-but-does-not-impair-post-lactation-bone-recovery-in-cyp27b1-null-mice
#10
Brittany R Gillies, Brittany A Ryan, Brett A Tonkin, Ingrid J Poulton, Yue Ma, Beth J Kirby, René St-Arnaud, Natalie A Sims, Christopher S Kovacs
We hypothesized that adaptation to calcium supply demands of pregnancy and lactation do not require calcitriol. Adult Cyp27b1 null mice lack calcitriol and have hypocalcemia, hypophosphatemia, and rickets. We studied wild-type (WT) and null sister pairs raised on a calcium, phosphorus and lactose-enriched "rescue" diet that prevents hypocalcemia and rickets. Bone mineral content (BMC) increased >30% in pregnant nulls, declined 30% during lactation, and increased 30% by 4 weeks post-weaning. WT showed less marked changes...
July 7, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28683954/impact-of-porcine-epidemic-diarrhea-on-herd-and-individual-berkshire-sow-productivity
#11
Aina Furutani, Tadahiro Kawabata, Masuo Sueyoshi, Yosuke Sasaki
Porcine epidemic diarrhea (PED) is an emerging disease of pigs in several countries. In the present study, individual sow productivity of Berkshire sows exposed to PED virus at different stages of production was compared. On a commercial farrow-to-finish farm in Kagoshima Prefecture, Japan, the clinical presence of PED was observed in the farrowing barn on January 6, 2014, and all gilts and sows were immunized on January 9, except those in the farrowing barn. The sows were categorized into six groups based on the period in which they were exposed to PED virus: between days 0-30 (G1), 31-60 (G2), 61-90 (G3), or after 91 days of pregnancy (G4), during lactation (L), and after weaning (W)...
June 26, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28678536/toxicity-assessment-of-ferula-gummosa-administration-during-pregnancy-lactation-and-juvenile-period-in-rat
#12
Mohammad Mahdi Vahedi, Davood Mahdian, Amir Hossein Jafarian, Mehrdad Iranshahi, Mahdi Esmaeilizadeh, Ahmad Ghorbani
Ferula gummosa is widely used in traditional medicine to treat a variety of ailments. This work evaluated the safety of F. gummosa root in pregnancy, lactation, and juvenile periods. This study was performed in three parts: (1) pregnant rats were received diet containing 0 (control), 150 , or 700 mg/kg of F. gummosa root during pregnancy; (2) Lactating rats were treated with diet containing the root (0, 150, or 700 mg/kg) during lactation period; (3) juvenile rats were received 4 weeks diet containing the root (0, 150, or 700 mg/kg)...
July 5, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28669901/maternal-alcohol-binge-drinking-induces-persistent-neuroinflammation-associated-with-myelin-damage-and-behavioural-dysfunctions-in-offspring-mice
#13
Lídia Cantacorps, Silvia Alfonso-Loeches, Maria Moscoso-Castro, Javier Cuitavi, Irene Gracia-Rubio, Raúl López-Arnau, Elena Escubedo, Consuelo Guerri, Olga Valverde
Alcohol binge drinking is on the increase in the young adult population, and consumption during pregnancy can be deleterious for foetal development. Maternal alcohol consumption leads to a wide range of long-lasting morphological and behavioural deficiencies known as foetal alcohol spectrum disorders (FASD), associated with neurodevelopmental disabilities. We sought to test the effects of alcohol on neuroimmune system activation and its potential relation to alcohol-induced neurodevelopmental and persistent neurobehavioural effects in offspring after maternal alcohol binge drinking during the prenatal period or in combination with lactation...
June 29, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28654010/effects-of-pup-separation-on-stress-response-in-postpartum-female-rats
#14
Manu Kalyani, Phyllis Callahan, James M Janik, Haifei Shi
There is a complex collection of neuroendocrine function during the postpartum period. Prolactin (PRL) released by suckling stimulus and its PRL receptors (PRL-R) in the central nervous system (CNS) are involved in hyporesponsiveness of the hypothalamic-pituitary-adrenal (HPA) axis in lactating mammals including rodents and humans. It is not clear how long it takes to reestablish the attenuated HPA axis activity of lactating rats to a pre-pregnancy state after pup separation. We first tested the hypothesis that HPA axis activity in response to an acute stress in postpartum rats would return to a pre-pregnancy state after pup separation...
June 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28649094/current-management-of-pregnancy-associated-breast-cancer
#15
H Hy Yu, P Sy Cheung, R Cy Leung, T N Leung, W H Kwan
Pregnancy-associated breast cancer is the most common malignancy during pregnancy with an expected rise in incidence. The belief in the need for termination of pregnancy and that chemotherapy is contra-indicated during pregnancy is challenged by recent evidence. Patients can consider breast-conserving surgery and sentinel lymph node biopsy with acceptably low fetal risk from radiation exposure. A range of chemotherapeutics is possible in the second trimester in terms of drug class and frequency. Hormone therapy and monoclonal antibody therapy are contra-indicated during pregnancy and lactation...
June 26, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28645299/programming-of-mouse-obesity-by-maternal-exposure-to-concentrated-ambient-fine-particles
#16
Minjie Chen, Xiaoke Wang, Ziying Hu, Huifen Zhou, Yanyi Xu, Lianglin Qiu, Xiaobo Qin, Yuhao Zhang, Zhekang Ying
BACKGROUND: Many diseases including obesity may originate through alterations in the early-life environment that interrupts fetal development. Increasing evidence has shown that exposure to ambient fine particles (PM2.5) is associated with abnormal fetal development. However, its long-term metabolic effects on offspring have not been systematically investigated. RESULTS: To determine if maternal exposure to PM2.5 programs offspring obesity, female C57Bl/6j mice were exposed to filtered air (FA) or concentrated ambient PM2...
June 23, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28642755/vaginal-and-uterine-bacterial-communities-in-postpartum-lactating-cows
#17
Brooke A Clemmons, Sydney T Reese, Felipe G Dantas, Gessica A Franco, Timothy P L Smith, Olusoji I Adeyosoye, Ky G Pohler, Phillip R Myer
Reproductive inefficiency in cattle has major impacts on overall productivity of cattle operations, increasing cost of production, and impacting the sustainability of the cattle enterprise. Decreased reproductive success and associated disease states have been correlated with the presence of specific microbes and microbial community profiles, yet details of the relationship between microbial communities and host physiology are not well known. The present study profiles and compares the microbial communities in the bovine uterus and vagina using 16S rRNA sequencing of the V1-V3 hypervariable region at the time of artificial insemination...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28631164/studies-on-vertical-transmission-of-trichinella-spiralis-in-experimentally-infected-guinea-pigs-cavia-porcellus
#18
Eliana Riva, Cesar Fiel, Gisele Bernat, Sebastián Muchiut, Pedro Steffan
An experimental study to enhance knowledge on the capability of Trichenella spiralis to pass from guinea pigs to progeny at different periods of pregnancy or lactation was performed. For this purpose, 18 female adult guinea pigs were inoculated with 100 or 1000 T. spiralis muscle larvae (ML) during early, late gestation and during lactation period. The presence of T. spiralis (ML) in mothers and newborns was studied through enzymatic digestion from muscle samples. ML were observed in 9 of 42 newborn guinea pigs and levels of infection were significantly higher when infections of mothers were done during late gestation (p = 0...
June 19, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28624286/genomic-evaluation-of-age-at-first-calving
#19
J L Hutchison, P M VanRaden, D J Null, J B Cole, D M Bickhart
From their time of birth until their first lactation, dairy heifers incur management, health, and feed expenses while not producing milk. Much effort has been made to estimate optimal ages of first calving (AFC) for cows to reduce these costs, which can be as high as $2.50 per day, and ensure that animals are productive earlier in life. To identify AFC for 3 dairy cattle breeds (Holstein, Jersey, and Brown Swiss) that maximizes production, we retrieved phenotypic records for more than 14 million cows calving between 1997 and 2015 from the US national dairy database...
June 14, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28615379/daily-consumption-of-lipid-based-nutrient-supplements-containing-250-%C3%AE-g-iodine-does-not-increase-urinary-iodine-concentrations-in-pregnant-and-postpartum-women-in-bangladesh
#20
Malay K Mridha, Susana L Matias, Rina Rani Paul, Sohrab Hussain, Md Showkat Ali Khan, Zakia Siddiqui, Barkat Ullah, Mostofa Sarker, Mokbul Hossain, Rebecca T Young, Charles D Arnold, Kathryn G Dewey
Background: Maternal iodine deficiency during pregnancy and lactation is common in Bangladesh.Objective: We evaluated the effect of lipid-based nutrient supplements for pregnant and lactating women (LNS-PL) on urinary iodine concentration (UIC).Methods: We conducted a cluster-randomized controlled effectiveness trial in which we enrolled 4011 pregnant women at ≤20 gestational weeks. Women in 48 clusters received iron and folic acid (IFA; 60 mg Fe/d + 400 μg folic acid/d) and women in 16 clusters received LNS-PL (20 g/d, 118 kcal) containing 22 vitamins and minerals (including 250 μg I)...
June 14, 2017: Journal of Nutrition
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