The Leptocimbex grahami group of Leptocimbex Semenov,1896,Cimbicidae is defined and the relationships and characteristics are provided.Two new species in this group are described from Zhejiang and Hubei Provinces in C...The Leptocimbex grahami group of Leptocimbex Semenov,1896,Cimbicidae is defined and the relationships and characteristics are provided.Two new species in this group are described from Zhejiang and Hubei Provinces in China:Leptocimbex nigropilosus Yan&Wei sp.nov.and L.shennongjiaensis Yan,Wei&Deng sp.nov.A key to species of this group is also provided.展开更多
Two new species of the Praia Wankowicz,1880 on Mt.Tianmu of Zhejiang Province and Mt.Shunhuang of Hunan Province from China are described:Praia tianmunica Yan,Li&Wei sp.nov.and P.megapulvilla Yan,Li&Wei sp.nov...Two new species of the Praia Wankowicz,1880 on Mt.Tianmu of Zhejiang Province and Mt.Shunhuang of Hunan Province from China are described:Praia tianmunica Yan,Li&Wei sp.nov.and P.megapulvilla Yan,Li&Wei sp.nov.Description of the Praia Wankowicz,1880 along with the characteristics and relationships of all species are reported here.A key to species of Praia from China is also provided.展开更多
Four new species of the Cimbicidae from China are described:Abia jimeii Yan&Wei sp.nov.,Zaraea zhui Yan&Wei sp.nov.,Leptocimbex nigrotegularis Yan&Wei sp.nov.,and Corynis zhengi Yan&Wei sp.nov.A key to...Four new species of the Cimbicidae from China are described:Abia jimeii Yan&Wei sp.nov.,Zaraea zhui Yan&Wei sp.nov.,Leptocimbex nigrotegularis Yan&Wei sp.nov.,and Corynis zhengi Yan&Wei sp.nov.A key to all extant Holarctic genera of Cimbicidae is provided.展开更多
Objective:To determine whether sildenafil has an efect on pregnancy outcomes in patients with poor endometrial development.Mathods:This study included 472 infertility patients who underwent in viro fer tilization/intr...Objective:To determine whether sildenafil has an efect on pregnancy outcomes in patients with poor endometrial development.Mathods:This study included 472 infertility patients who underwent in viro fer tilization/intracytoplasmadc spemm injection and frozen-thawed embryo tr ansfer(IVF/ICSI-FET)and subsequently sufered from poor endo-metral dewelopment during homnone replacement cycle(HRC)from April 2017 to July 2019.The patients were divided into two groups:the sildenafl group(n=88)and the control group(n=384).We analyzed endometrial thicknuess and types on endometrial transformation day,as well as pregnancy outcomes after FET(biochemical pregnancy,clinical pregnancy,early abortion,late abortion,and live birth rates)between the two groups.Results:After adjusting for confounding factors,we found no significant differences in endometrial thicknesses and types on endometrial transfomation day between the sildenafil group and the control group(0.79±0.08 vs 0.81±0.09,P=0.144;79.76%vs83.87%,P=0.402).There were also no statistcally significant differences in biochemical pregnancy rate(75.0%vs76.8%,P=0.892),clinical pregnancy rate(59.09%vs 69.53%,P=0.087),early abortion rate(17.31%vs 14.61%,P=0.557),late abortion rate(3.85%vs 4.49%,P=0.859),or live birth rate(45.45%vs 55.47%,P=0.101)between the two groups.In subgroup analysis,the application of sildenafil was unable to improve endometrial thickness(group one:0.80±0.08 cm vs 0.82±0.08 cm;group two:0.78±0.08 cm vs 0.80±0.10 cm;group three:0.75±0.11 cm vs 0.77±0.08 cm,p>0.05)and type endometrium on transfomation day(group one:78.57%vs 86.78%;group two:80.65%vs 77.78%;group three:81.82%ws.83.78%,p>0.05).Moreover,sildenafil use was not closely associated with clinical pregnancy outcomes,clinical pregnancy rate,early abortion rate,late abortion rate,and live birth rate(p>0.05).Conclusions:Sildenafl did not benefit endometrial development and pregnancy outcomes in patients with poor endometr:ial development during the hormone replacement cycle.展开更多
基金partly supported by the Hunan Provincial Education Department(19K106)the National Natural Science Foundation of China(31970447)。
文摘The Leptocimbex grahami group of Leptocimbex Semenov,1896,Cimbicidae is defined and the relationships and characteristics are provided.Two new species in this group are described from Zhejiang and Hubei Provinces in China:Leptocimbex nigropilosus Yan&Wei sp.nov.and L.shennongjiaensis Yan,Wei&Deng sp.nov.A key to species of this group is also provided.
基金the Hunan Provincial Education Department(17C1666)the National Natural Science Foundation of China(31672344).
文摘Two new species of the Praia Wankowicz,1880 on Mt.Tianmu of Zhejiang Province and Mt.Shunhuang of Hunan Province from China are described:Praia tianmunica Yan,Li&Wei sp.nov.and P.megapulvilla Yan,Li&Wei sp.nov.Description of the Praia Wankowicz,1880 along with the characteristics and relationships of all species are reported here.A key to species of Praia from China is also provided.
基金supported by the Hunan Provincial Natural Science Foundation of China(2021JJ31153)the Key Project of the Education Department of Hunan Province(21A0174).
文摘Four new species of the Cimbicidae from China are described:Abia jimeii Yan&Wei sp.nov.,Zaraea zhui Yan&Wei sp.nov.,Leptocimbex nigrotegularis Yan&Wei sp.nov.,and Corynis zhengi Yan&Wei sp.nov.A key to all extant Holarctic genera of Cimbicidae is provided.
基金the National Key Research and Devel-opment Program of China(2016YFC1000202).
文摘Objective:To determine whether sildenafil has an efect on pregnancy outcomes in patients with poor endometrial development.Mathods:This study included 472 infertility patients who underwent in viro fer tilization/intracytoplasmadc spemm injection and frozen-thawed embryo tr ansfer(IVF/ICSI-FET)and subsequently sufered from poor endo-metral dewelopment during homnone replacement cycle(HRC)from April 2017 to July 2019.The patients were divided into two groups:the sildenafl group(n=88)and the control group(n=384).We analyzed endometrial thicknuess and types on endometrial transformation day,as well as pregnancy outcomes after FET(biochemical pregnancy,clinical pregnancy,early abortion,late abortion,and live birth rates)between the two groups.Results:After adjusting for confounding factors,we found no significant differences in endometrial thicknesses and types on endometrial transfomation day between the sildenafil group and the control group(0.79±0.08 vs 0.81±0.09,P=0.144;79.76%vs83.87%,P=0.402).There were also no statistcally significant differences in biochemical pregnancy rate(75.0%vs76.8%,P=0.892),clinical pregnancy rate(59.09%vs 69.53%,P=0.087),early abortion rate(17.31%vs 14.61%,P=0.557),late abortion rate(3.85%vs 4.49%,P=0.859),or live birth rate(45.45%vs 55.47%,P=0.101)between the two groups.In subgroup analysis,the application of sildenafil was unable to improve endometrial thickness(group one:0.80±0.08 cm vs 0.82±0.08 cm;group two:0.78±0.08 cm vs 0.80±0.10 cm;group three:0.75±0.11 cm vs 0.77±0.08 cm,p>0.05)and type endometrium on transfomation day(group one:78.57%vs 86.78%;group two:80.65%vs 77.78%;group three:81.82%ws.83.78%,p>0.05).Moreover,sildenafil use was not closely associated with clinical pregnancy outcomes,clinical pregnancy rate,early abortion rate,late abortion rate,and live birth rate(p>0.05).Conclusions:Sildenafl did not benefit endometrial development and pregnancy outcomes in patients with poor endometr:ial development during the hormone replacement cycle.
