国产熟女av一区二区三区,蜜桃av色偷偷av老熟女,亚洲啊啊啊一区二区视频

Release date：2020-07-03

Clinical & Experimental Allergy

[IF:5.158]

Caesarean delivery and the risk of atopic dermatitis in children
DOI: org/10.1111/cea.13668
Abstract:
Background: Caesarean delivery (C‐section) may disrupt maternal‐infant microbial transfer and alter immune system development and subsequent risk for atopic dermatitis.
Methods: P
Maternal and child information was collected through Kaiser Permanente Northern California's (KPNC) integrated healthcare system. Data sources included electronic medical records, pharmacy databases, state birth records, and prospectively collected breastfeeding surveys. Children were eligible if they were born in a KPNC or contracting hospital between 2005 and 2014 and had continuous enrolment in the KPNC system for at least four years (n=173105). Modified Poisson regression with robust variance estimation was used to estimate the association between C‐section and atopic dermatitis overall and when stratified by demographic and labour and delivery characteristics.
Results: Although unadjusted analyses showed a positive association between C‐section and atopic dermatitis [RR(95%CI): 1.06(1.03, 1.10)], this effect was attenuated towards the null after adjustment [aRR(95%CI): 1.02(0.99, 1.05)]. In stratified analyses, there was evidence that C‐section increased atopic dermatitis risk among certain subgroups (eg firstborns, overweight/obese pre‐pregnancy BMI), but associations were weak. C‐section delivery conditions indicative of the least exposure to maternal microbiome (ie no labour, short interval between membrane rupture and delivery) showed no evidence of association with atopic dermatitis. Estimated associations were not strongly influenced by intrapartum antibiotics, breastfeeding, missing data, or familial factors.
Conclusion: Caesarean delivery was not associated with atopic dermatitis by age four in this large US cohort. This association did not appear to be biased by intrapartum antibiotics, breastfeeding behaviour, C‐section indication, missing covariates, or familial factors.
First Author:
Megan Richards
Correspondence:
Megan Richards, School of Community Health Sciences 1664 N Virginia St, m/s 0275, Reno, NV 89557, USA.
All Authors:
Megan Richards, Jeannette Ferber, Hong Chen, Erin Swor, Charles P. Quesenberry, De‐Kun Li, Lyndsey A. Darrow

2020-07-03 Article

Hangzhou Zheda Dixun Biological Gene Engineering Co., Ltd. Copyright HZKC Technical support 浙ICP備14005341號(hào) （浙）-非經(jīng)營(yíng)性-2019-0050

Address: Rm.201-209, Bldg.2, No.568 Binkang Rd., Binjiang Dist. Tel: 0571-87968248-805 Website:www.4bbk.cn

Official WeChat

超碰日本爆乳中文字幕-亚洲欧洲日产国码无码久久99-免费无遮挡又黄又爽网站-熟女丝袜脚交国产-久久九九久精品国产免费直播-中文字幕精品av乱码在线

杭州浙大迪迅生物基因工程有限公司

Release date：2020-07-03