JFIFPhotoshop 3.08BIM@Endometrial immune atlas reveals lymphoid aggregates may comprom720260821PSCIENMAGUAuthordEndometrial immune atlas reveals lymphoid aggregates may compromise pregnancy across menstrual cycle Science@https://scienmag.com/endometrial-immune-atlas-reveals-lymphoid-a© 2026 Sciencehttps://scienmag.com/A new immune atlas of the human endometrium is challenging one of reproductive biology’s most persistent assumptions: that the uterus simply becomes quieter and more tolerant as pregnancy approaches. Instead, research led by Yang, Yang, Li and colleagues depicts the uterine lining as a dynamic immune ecosystem whose cellular composition changes across the menstrual cycle—and […]ScienceMedMedicineMedicine%embryo implantation immune mechanismsEndometrial immune system$endometrial tissue immune regulation"immune cell clusters and pregnancy%immune cell remodeling in endometrium1immune response to microbes in reproductive tract!immune tolerance during pregnancy#impact of immune cells on fertilitylymphoid aggregates in uterusmenstrual cycle immune dynamicsreproductive immunologyuterus immune ecosystemC    !'"#%%%),($+!$%$C   $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$"? !1AQa"q#B2Rbr$45C7!1"AQ2aq#CR3S4 ?R((B(wmx- ۩;UaN"/J*!#5X$ҝ`8f4Tt]왌bcX0 j=tz)Fb7EWq)W(hBʊ[%I)"( c*Kwfs޴,jb6#TSM)4) #hI:b&Iݬ֐DT•ߖ8-~;8vb+\ ::n.7,8la >%'[v_z،ߜsVk Ld\SR7ZyXu4e\O6ګO9lђ2w첥:]${<+z5+TJ0*wab*Uл#EՓKON@Nx=THTqiSz[s$)c PMq(Ez!N SE:7rLNg='f\`Di`쎡4`ʝ>|;eb^+d'yQYxicԷE3T(\k8@pV$53}kJ5ӆ]|9K=AňvBzw[P$k01)3BӂC<=pxfe)6ag0̶Yab3VUTJ.=:nO3nMB;XimI76|svYnlX uGlZdUDRAvBPrGɦTGsZ NQ! NF3oFʡ3tDrjf1rzHHx;5Z $rhA3t1U拣:z8F8ꊙ@|]1{=Ђ8sρҳ=E0m 7 xEݞ!\y"| j:Y被w.%ָZ Qkx3*lLG%eo('?Zu Ry0|*Dsl@B9㊏ޝ.HmslP5JX^0m7W#8U:GgVyluUc/.{$BF NB3ǯ^.Pڝ 7v$TI8G}܂įc#?sS7Z+S#{yEh{k{_EM#ԌP3 7ozܠԴxm-;D9Qzy#_DRtg,JjR4K/4IF7Oy?ngsNLd_Tib1}u犖ΖC,Eė34gciSwU%ι&:{j;NDkˑ4ٷңCю8_ƥr9u[x_e(@aOvMάZUFe9:X5&ԴH9 <$Ynժ8ܸ]UyQNK'`|(* gvŕ/]F030C 5.0*"{>k+Xr9Ҹ;0=aM<uLR9ךI$I>2i Nx D=UC㷕VjFw\cgU/4ۛTOG^T8b*`-·z(1;z*k"H6|{9q$6}ضk/!F|? \Nw Ne !lȢK'L?E;os-1I  U/#*YGŀTo"llq 9⍂BT03ҡ< "vF Sڕwn`]'8Q󨴩dyǑӊv9~7p_~:7h:ZU sZg~|3 D7xS5_aC>(X\8[)zխr;|~U7Nm.7;UV֩Ys@^(JлCH̓rjF,1ϐZ%8:~:վU/Vm`uj]1lLOEKRa5a{yxy3(Q--d xxնDƟyyx ѕ΁kfϼ?%Sj^>6vƿңTNMwyStTnVl=/q̢{$8iX*qφ|))`(.&ъ%J|qfԫnm. ΀-QBbvbrsc?3ҶRF'GH2'NGI3$ x,ЬG!M[[ #ִ%Vw%Ǘ^*J"'jj۳#Y,h#YA1?BXvk wቌbj*)sp'K>luh_?JVzM >dVF;`{QJE$ZŻn1!gʠfRӺw7U?E4&. {?Pw}3,5'Z-l:3yu[W7}.Ģ(VJ(("A6F\yLQBPH7 cn( bAvbS&#Oym+-d=zP ǛT N1RSܟ. i{y HXxLnd=ޛk!߉[X~ԭ22 J0>'v}ATRǎif~hLx!_f?*SYVw6vC,N0Aɨ}Xy{( rQNW7=_G4krgß4u tqǦڋ+ovBa J *|H݋19$40^j厑(Mu>(QE!a4)XJPS=(yN(bΙspGZ(IƮ Kjf$03EE<_ilzo_n!`brsVr]SwV][<|کEsQE>=+-y(("((B