Iiveki ezingama-25 zokukhulelwa - uphuhliso lwama-fetal

Njengoko uyazi, ukukhulelwa yinkqubo enokude kwaye ilukhuni, ngenxa yoko yonke into eyenziwa yimizimba ye-2 i-cell cells. Masiqwalasele ngokukhawuleza kwithuba elinjalo ngeveki yama-25 yokukhulelwa kwaye sikuxelele ngokuphuhliswa kwe-fetus ngeli xesha.

Yintoni eyenzeka kumntwana ozayo kwiveki yama-25?

Ngeli xesha, isiqhamo sifinyelela malunga ne-22 cm, ukuba sisilinganiswe kwipiskram yayo kwisithsaba. Ukukhula okupheleleyo kwentsana ezayo malunga ne-32 cm. Ubunzima bomzimba obusiswini bu malunga ne-700 g. Iveki umntwana uqokelela i-150 grams.

Izitho kunye neenkqubo zikhula ngokukhawuleza. Ngoko, ngokukodwa, utshintsho luboniswe kwinkqubo yokuphefumula. Kukhona ukuvuthwa kwe-alveoli, ekulungele ukuqala ukutshalaliswa komntwana. Nangona kunjalo, umntu osebenza ngokungahambisani naye akakho okwangoku. Ukuqulunqwa kweemveliso kule nkqubo kwenzeka kuphela kwiiveki ezingama-36 zesigxina.

Ngeli xesha, ukubunjwa kwezakhiwo ze-cartilaginous kuphawulwe. Ingakumbi, ithola i-ejwayelekile yayo, yonke ifomu eyaziwayo, i-auricle.

Esinye seziganeko ezibalulekileyo ekuphuhlisweni komntwana kwiveki yama-25 yokukhulelwa kukuba nguqulelo lomsebenzi we-hematopoiesis kwisibindi kunye ne-pleen kumnxeba wesibhakabhaka obomvu, njengabantu abadala. Kukuyo ukuba izinto ezifanayo zegazi lexesha elizayo liqala ukudala.

Ngeli xesha, umntwana ozayo sele evelise umqondo ogqithiseleyo wokunuka, ezinye iinjongo. Ingane isabela kakuhle kwi-stimuli yangaphandle: ukukhanya okukhanyayo, isandi esikhulu. Umama ozayo unokuva oku ngokunyusa umbane womntwana, owathi emva kokubhekisela kwisisu, umbane wokukhanya ukhanyiswe okanye, ngokuchaseneyo, uqala ukuhamba ngokuxhatshazwayo kunye nemilenze, njengoko kuboniswe kwisikrini somboniso we-ultrasound.

Kwiiveki ezingama-25-26 zokukhulelwa, inkqubo ye-musculoskeletal fetal ikhula. Yingakho zonke iintshukumo kunye neentshukumo ziba nzima kakhulu. Nangona ubeka isandla sakho kwisisu esiswini ngexesha elifanelekileyo, unokuziva utyhafile entendeni yesandla. Ukunyakaza komntwana kulungelelaniswe ngakumbi. Xa uqhuba i-ultrasound ngeli xesha, unako ukubona indlela umntwana ozayo edlala ngayo ngentambo yomlenze, athabatha umunwe, athabathe umlenze wakhe ngepeni. Xa uzama ukuhlolisisa iimpawu zobuso, isiqhamo sihlala sisigubungela ngezandla. Ngale ngongoma, njengomgaqo, isandla esikhokelayo sele senziwe.

Ziziphi iipameters ezithathwa kwi-akhawunti xa zenza i-ultrasound ngeli xesha?

Okokuqala, ngohlobo lophando udokotela ugqiba ubungakanani bomntwana. Kufuneka kuqatshelwe ukuba akukho zibalo ezicacileyo ukuba iimpawu zomzimba zentsana nganye zifanane. Emva koko, umzimba unomntu ngamnye ophuhliso lwezinto eziphuhlisayo, ezixhomekeke kwilifa.

Ngoko ke, ngokwemitha, ububanzi bentloko yesana kule nkwenkwe yesikhumba si malunga no-62 mm, intambo yesifuba 63, kwaye ububanzi besisu buyi-64 mm.

Esinye sezibonakaliso ezibalulekileyo kwinkqubo yomsebenzi obalulekileyo we-fetus yinkalo yepilpitations. Ngoko, ngokwemyinge, ngeli xesha intliziyo encinci yenza malunga no-140-150 ukunyuka ngomzuzu omnye. Isingoma senhliziyo sinokuva ngokulula kwisisu esisemva komfazi okhulelweyo, ngokumathintela indlebe.

Into ehlukeneyo yophando ngeli xesha i-placenta. Kungenxa yemeko yakhe ukuba oogqirha benze isigqibo malunga nomsebenzi we-utero-placental system, apho umntwana ufumana i-oxygen kunye nezondlo. Ubukhulu bodonga lwendawo yomntwana lufikelela kuma-26 mm ngeveki 25. Ukuqwalaselwa ngokukhawuleza kuhlawulwa kwindawo yokuqhotyoshelweyo, ngokubhekiselele kwisibeletho sesisu.

Ukongezelela koku ngasentla, ugqirha we-uzist kwiveki yama-25 yokukhulelwa, ukuvavanya ukuphuhliswa kwengane, ulungisa umthamo we-amniotic fluid, uhlola uterus ngokwayo.

Ngaloo ndlela, njengoko kubonakala kwinqaku, ukuphuhliswa komntwana ozayo kwiiveki ezingama-24 ukuya ku-25 zokukhulelwa kukunyathelo olunzulu. Ngelo xesha, umama ngokwayo uziva kakuhle, ngenxa yokuba Ukubonakaliswa okuphawulekayo kwe-toxicosis bekude kuseleyo.