Noj qab haus huvTshuaj

Lub zoo luaj li cas ntawm lub plab mog, cev xeeb tub thiab yug menyuam

Dav duav rau centuries tau xam tias yog ib kos npe rau ntawm fertility nyob rau hauv cov poj niam - ib tug kos npe rau ntawm ib tug uas zoo niam. Yuav niaj hnub tshuaj tau paub tseeb tias qhov luaj li cas ntawm lub plab mog tau ua si ib tug tseem ceeb luag hauj lwm nyob rau hauv lub kev vam meej motherhood? Nyob rau hauv cov ntaub ntawv no, nws tsis yog hais txog tsis yog superstitions, tab sis lub pej xeem kev txawj ntse.

Anatomical nta ntawm tus tib neeg lub plab mog

Anthropologists tau ntev tuaj mus rau lub xaus hais tias tus nqi ntawm tib neeg bipedalism pib hloov nyob rau hauv tus qauv ntawm lub cev pob txha nyob rau hauv Feem ntau, thiab qhov loj ntawm lub plab mog yog ua si tsis kawg lub luag hauj lwm. Cov me nyuam yuav yug los unprepared rau ywj siab nyob thaum piv nrog rau feem ntau ntawm cov tsiaj: txiv neej dais tsis tau tam sim ntawd tom qab yug tus me nyuam ua raws li cov leej niam, nws tsis yog txawm peem rau nrog ib tug tiv masking mechanisms.

Qhov no ua rau nws kuj yooj yim mus nqa genera, raws li ib tug tshwm sim ntawm cov yam ntxwv ntawm tus tib neeg lub cev yug kwj dej roj piv nrog cov tsiaj, thiab yug lub fetus kuj me me nyob rau hauv cov ntaub ntawv no yog zoo.

Thaum sau npe rau hauv lub expectant niam ib gynecologist tas nais maum kuaj tsis tau tsuas yog lub xeev ntawm tus kab mob, tab sis kuj yuav siv sij hawm mus rau hauv tus account nta ntawm daim duab - qhov loj ntawm lub plab mog thaum lub sij hawm cev xeeb tub tsis yauv tseem ceeb kev hloov. Nws yog ib qho tseem ceeb kom to taub tias nyob rau hauv cov ntaub ntawv no, txhua yam yog tus txheeb ze, thiab lub chaw yuav tsis muaj txaus rau lawv tus kheej thiab nyob rau hauv relation mus rau ib tug loj fetus.

Dav duav - lub teeb tus me nyuam?

Folk txhab tau ntev taw mus rau qhov loj ntawm lub plab mog niam raws li ib tug guarantee ntawm kev ruaj ntseg cov niam. Tab sis, raws li hais saum toj no, cov txiv hmab txiv ntoo yuav ua tau loj, txawm rau ib tug muaj kev vam meej zuag qhia tag nrho tsim tshiab niam. Lub elasticity ntawm cov me nyuam yug kwj dej, tau ntawm kev phais - tag nrho cov no heev tsub kom qhov yuav ntawm ib tug zoo kev daws teeb meem ntawm ib lub nra hnyav.

Txawm li cas los, koj yuav tsum tsis txhob tso siab tag nrho rau cov tsis taub txua lub siab dawb siab zoo. Tsis ncaj ncees lawm txoj hauj lwm ntawm lub fetus thiab tau teeb meem uas cev xeeb tub nyob rau hauv txhua rooj plaub, yog qhov ua rau muaj zog xim rau cov kev kho mob ntawm lub expectant niam. Tsuas yog qhov loj ntawm lub plab mog yuav tsis them rau tag nrho cov tau teeb meem, thiab nws yuav tsum tau to taub.

Relativity qauv lub cev

Thaum thawj zaug kev soj ntsuam ntawm ib tug cev xeeb tub uas tau tuaj mus rau sawv ntsug rau accounting, tus kws kho mob ua ntsuas plab mog tsis siv ib tug tshwj xeeb lub cuab tam. Nyob rau hauv no hais txog, raws li qhov loj ntawm lub plab mog, tus nqi yog determined nyob ntawm seb hom ntawm daim duab ntawm ib tug poj niam. Piv txwv li, lub interosseous loj, ntsuas ntawm lub anterior superior iliac axes, feem ntau fluctuates ntawm 25-26 cm, tab sis nws yog lub cai rau cov nyob sab Europe poj niam ntawm nruab nrab qhov siab thiab nruab nrab ceeb thawj.

Ntau npaum li cas ib qho tseem ceeb tsis yog cov loj nyob rau hauv centimeters, thiab anatomically tseeb nqi koj tshuav ntawm tag nrho cov kev ntsuas tsis. Vos plab mog yog suav tias yog, nyob rau hauv uas tsawg kawg yog ib parameter yog txawv txav downward los ntawm ib nrab rau ob centimeters los yog ntau tshaj. Qhov no yog yuam tus pom anatomically tseeb tshuav nqis, kom ntseeg tau sib zog physiological zog ntawm kev vam meej lwm yam. Nrog ib tug nqaim plab mog obstetricians xav pom zoo kom pab thaum pw tsev kho mob los ntawm 38 lub lim piam uas cev xeeb tub nyob rau hauv thiaj li yuav ruaj ntseg.

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