The Hexi Corridor in northwest China has for millennia served as a crossroads for interactions between East Asia,Central Asia and lands further west,while also connecting the Chinese heartland and the northern Mongoli...The Hexi Corridor in northwest China has for millennia served as a crossroads for interactions between East Asia,Central Asia and lands further west,while also connecting the Chinese heartland and the northern Mongolian Steppe and Tibetan Plateau(TP)to the south(Fig.1a).Previous studies have revealed the details of this cross-continental material and cultural transmission as early as the Bronze Age onwards.Materials and technologies exchanged along the ancient Silk Road included East Asian millets and painted pottery,West Asian wheat and barley,bronze metal-lurgy,domesticated sheep,horses,and cattle[1].To date.展开更多
Objective The objective of the study was to identify the risk factors correlated with spontaneous preterm birth(SPTB)and iatrogenic preterm birth(IPTB),as well as to compare the pregnancy outcomes between SPTB and IPT...Objective The objective of the study was to identify the risk factors correlated with spontaneous preterm birth(SPTB)and iatrogenic preterm birth(IPTB),as well as to compare the pregnancy outcomes between SPTB and IPTB.Materials and methods A total of 1676(343 SPTB,144 IPTB and 1189 full-term control group)cases were collected from the International Peace Maternity&Child Health Hospital of Shanghai between August 2018 and October 2020.A case-control study was conducted to explore the risk factors and pregnancy outcomes of SPTB and IPTB.Results The study identified a set of risk factors for SPTB and IPTB,as well as differences in pregnancy outcomes.Reproductive tract infections and myoma of the uterus were the risk factors for SPTB(p<0.05).Fetal growth restriction,pre-eclampsia,intrahepatic cholestasis of pregnancy,fetal distress,placenta abnormality,oligohydramnios and scarred uterus were the risk factors for IPTB(p<0.05).Antenatal haemorrhage and placental abruption were the risk factors both for SPTBand IPTB(p<0.05).The pregnancy outcomes of the two PTB gubtypes differed,and birth woight,longth and 1-minute Apgar score of newborns were significantly lower in IPTB than in SPTB(p<0.05).Conclusion The risk factors of SPTBand IPTB are different,and IPTB is associated with a higher incidence of worse pregnancy outcomes than SPTB.展开更多
基金supported by the National Key Research and Development Program(2020YFE0201600)the National Natural Science Foundation of China(32070576,32271186,and 32270667)+14 种基金the National Social Science Fund of China(19VJX074)the Scientific and Technology Committee of Shanghai Municipality(18490750300)Shanghai Municipal Science and Technology Major Project(2017SHZDZX01)the Major Project of National Social Science Foundation of China granted to ChuanChao Wang(21&ZD285)Sheng Han(20&ZD212)the Natural Science Foundation of Fujian Province of China(2023J06013)Major Special Project of Philosophy and Social Sciences Research of the Ministry of Education(2022JZDZ023)the Major Project of National Social Science Foundation of China(2021MZD014)the"Double First Class University Plan"Key Construction Project of Xiamen University(0310/X2106027)Nanqiang Outstanding Young Talents Program of Xiamen University(X2123302)European Research Council(ERC)grant(ERC-2019-ADG-883700-TRAM)China Postdoctoral Science Foundation(KLH3149007)the Natural Science Foundation of Fujian Province of China(2023J06013)Open Research Fund of State Key Laboratory ofGenetic Engineering at Fudan University(SKLGE-2310)Research and Propagation Fund for History and Culture of Gansu Province(2023ZD007)。
文摘The Hexi Corridor in northwest China has for millennia served as a crossroads for interactions between East Asia,Central Asia and lands further west,while also connecting the Chinese heartland and the northern Mongolian Steppe and Tibetan Plateau(TP)to the south(Fig.1a).Previous studies have revealed the details of this cross-continental material and cultural transmission as early as the Bronze Age onwards.Materials and technologies exchanged along the ancient Silk Road included East Asian millets and painted pottery,West Asian wheat and barley,bronze metal-lurgy,domesticated sheep,horses,and cattle[1].To date.
文摘Objective The objective of the study was to identify the risk factors correlated with spontaneous preterm birth(SPTB)and iatrogenic preterm birth(IPTB),as well as to compare the pregnancy outcomes between SPTB and IPTB.Materials and methods A total of 1676(343 SPTB,144 IPTB and 1189 full-term control group)cases were collected from the International Peace Maternity&Child Health Hospital of Shanghai between August 2018 and October 2020.A case-control study was conducted to explore the risk factors and pregnancy outcomes of SPTB and IPTB.Results The study identified a set of risk factors for SPTB and IPTB,as well as differences in pregnancy outcomes.Reproductive tract infections and myoma of the uterus were the risk factors for SPTB(p<0.05).Fetal growth restriction,pre-eclampsia,intrahepatic cholestasis of pregnancy,fetal distress,placenta abnormality,oligohydramnios and scarred uterus were the risk factors for IPTB(p<0.05).Antenatal haemorrhage and placental abruption were the risk factors both for SPTBand IPTB(p<0.05).The pregnancy outcomes of the two PTB gubtypes differed,and birth woight,longth and 1-minute Apgar score of newborns were significantly lower in IPTB than in SPTB(p<0.05).Conclusion The risk factors of SPTBand IPTB are different,and IPTB is associated with a higher incidence of worse pregnancy outcomes than SPTB.
