Kuwo onke amabhinqa aqhelekileyo, ukuqaphela ukukhulelwa kwakhe kunye nexesha lokulinda ukubonakala kwentsana zibuhlungu ngokuphindaphindiweyo. Kwenzeka ntoni kulo mzuzu emzimbeni wakhe? Masizame ukujonga esibelethweni ...
Iveki yokuqala
Kuze kube ngoku, umntwana unengcamango engaphezulu kwendalo yangempela. Iprototype yayo (ngokuchanekileyo, isiqingatha seprototype) yenye yeeyuninzi zamaqanda amabhinqa "kwindawo" yazo - ii-ovaries. Isiqingatha sesibini seprototype (obazali) asizange sibe nexesha lokuma kwi-spermatozoon ekhulile-oku kuya kwenzeka malunga neveki ezimbini. Silindele, mnumzane.
Iveki yesibini
Emzimbeni wowesifazane, iimbini ezibalulekileyo zezinto ze-biological zenzeka phantse ngokufanayo: i-ovulation - ukubonakala kweqanda elivuthiweyo elulungele ukuchumisa; kwaye ngexesha lomjikelezo we-endometric, udonga lwe-uterine lulungele ukufakelwa kweselfom. Zomibini zijikelezo zihlobene ngokusondelene, kuba iinguqu ze-endometrial zilawulwa yi-hormone ezifihliweyo kwi-ovary.
Iveki yesithathu
Iqanda kunye nesidoda behlangene kwi-tube fallopian. Njengomphumo wokudibanisa kwabo, i-zygote yakhiwa - isisombululo sokuqala nesona sibalulekileyo sawo umntwana ongakazalwa. Zonke iiseli ezingama-100 000 000 000 000 zomzimba wakhe ziintombi ze-zygote! Kwiintsuku ezintathu emva kokuqumba, i-embryo iqulethwe ngamaseli angama-32 kwaye ifana ne-mulberry berry ifom. Ekupheleni kweliveki, inani leeseli liya kwanda ukuya kuma-250, umlo uza kufana nebhola elingenalutho elinomlinganiselo we-0.1 - 0.2 mm.
Iveki yesine
Umntwana usesisombululo sokuqala, ukukhula kwawo kuvela kwi-0.36 ukuya kwi-1 mm. Ukutshalwa kwe-blastocyst kwandiswe ngokubanzi ngaphakathi kwimbumba ye-uterus, kwaye i-amniotic cavity yaqala ukwenza. Lapha kwixesha elizayo liya kubonakala i-placenta kunye nenethiwekhi yesisetyiti enegazi lomama.
Iveki yesihlanu
Kule veki umntwana ufumana utshintsho olubalulekileyo. Okokuqala, utshintsho lwalo luya kutshintsha - ngoku intsana ayisabonakali njenge-disk flat, kodwa enye ifana ne-1.5-2.5 mm ende. Ngoku oogqirha babiza umntwana ukuba abe ngumbungu - kule veki intliziyo iya kuqala ukubetha!
Iveki yesithandathu
Ukutshatyalaliswa kwengqondo kunye nemilenze kukhula ngokukhawuleza. Inhloko ithatha imixholo eqhelekileyo, amehlo, iintloko zibonakala. Ngaphakathi kwe-fetus, iinguqu ezilula zezitho zangaphakathi zenziwe: isibindi, imiphunga, njl.
Iveki ye sixhenxe
Ngeli xesha elifanayo lokukhulelwa, indlebe yangaphakathi yentsana iyakhiwa, indlebe yangaphandle ikhula, i-jaws iyakhiwa, kwaye i-rudiments ibonakala. Usana lukhule - ubude balo bu-7 ukuya kwi-9 mm, kodwa kubaluleke kakhulu - umntwana uqala ukuhamba!
Iveki yesibhozo
Ingane ifana nomntu omdala. Intliziyo ibetha, isisu senza ijusi esiswini, izintso ziqala ukusebenza. Inkontileka yemisongo phantsi kweempembelelo ezivela kwingqondo. Ngegazi lomntwana, unokumisela iRh-yayo yenxalenye. Iminwe kunye namajoyina asekwe. Ubuso bentsana buzuza iimpawu zalo, ukubonakalisa ubuso kubonakala ukubonisa oko kwenzekayo kwimeko yayo. Umzimba womntwana uphendule kwi-touch.
Iveki yesithoba
Ubude bentsana ukusuka kwithsaba ukuya kwi-sacrum bu malunga no-13-17 mm, ubunzima-malunga no-2 g. Kukho uphuhliso olunzulu lwengqondo - kule veki iqalisa ukubunjwa kwe-cerebellum.
Iveki yeshumi
Ubude bentsana ukusuka kwithsaba ukuya kwi-sacrum bu malunga no-27-35 mm, ubunzima-malunga no-4 g.Iimigangatho ejwayelekile yomzimba ifakwe, iminwe isele yahlukana, i-taste bud and tongue appear. Umsila usukile (uyanyamalala kule veki), ingqondo iyaqhubeka iguqukela. Intliziyo yesibindi isele isakhiwe.
Iveki yeshumi elinanye
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga no-55 mm, ubunzima - malunga no-7 g. Ubisi luqala ukusebenza, lwenza izicatshulwa zikhumbuza i-peristalsis. Le veki ibonisa ukuphela kwexesha lokubambileyo: ukususela ngoko umntwana uya kuthiwa isiqhamo.
Iveki yesibini
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga ne-70-90 mm. Ubunzima - malunga no-14-15 g. Ibindi yesantana sele sele iqalile ukuvelisa i-bile.
Iveki yeshumi elinesithathu
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum ngu-10.5 cm. Ubunzima bungama-28.3 g.
Iveki yesine
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum ngu-12.5 - 13 cm. Isisindo - malunga ne-90-100 g. Le veki ibalulekile kwizitho zangaphakathi. I-thyroid ye-gland isakhiwe ngokwaneleyo ukuvelisa ama-hormone. Le nkwenkwe ibonakala iprotate, kumantombazana ama-ovari ahla esuka kwisisu esiswini ukuya kummandla we-hip.
Iveki yeshumi elinesihlanu
Ubungakanani ukusuka kwisithsaba ukuya kwi-rump ngu-93-103 mm. Ubunzima - malunga no-70 entloko yesana kubonakala izinwele.
Iveki yeshumi nesine
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum ngu-16 cm. Ubunzima bu malunga ne-85 g. Iibhokhwe kunye ne-eyelashes zivela, umntwana sele ephethe intloko ngqo.
Iveki yeshumi elinesixhenxe
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum ngu-15-17 cm. Ubunzima bungama-142 g. Akukho zakhiwo ezintsha ezakhiwe kule veki. Kodwa umntwana ufunda ukusebenzisa yonke into anayo.
Iveki yeshumi elinesibhozo
Ubungakanani obude bomntwana sele sele u-20.5 cm. Ubunzima buba ngu-200 grams. Ukuqiniswa kwamathambo e-fetus kuyaqhubeka. I-Phalanges yeminwe neenzwane zenziwe.
Iveki yeshumi elinesine
Ukukhula kuqhubeka. Le veki, isiqhamo sinzima malunga ne-230 grams. Ukuba unentombazana, sele sele ihamba namaqanda asekuqaleni. Ukuqulunqwe sele kusekho amazinyo angagxininanga, athile angaphantsi kwamaqhinga amazinyo ezinsana.
Iveki yamashumi amabini
Ubungakanani ukusuka kwisithsaba kuya kwi-sacrum malunga ne-25 cm. Ubunzima bu malunga ne-283-285 g.
Iveki elinesibini yokuqala
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum malunga no-25 cm. Ubunzima buba malunga no-360-370 g. Isiqhamo singena ngaphakathi ngaphakathi kwesibeletho. Inxalenye yokugaya isele ikwazi ukuhlula amanzi kunye noshukela ukusuka kwintsana yokugwinya i-amniotic fluid kwaye idlulise izinto zayo ezifayili ukuya kwi-rectum.
Iiveki amabini anesibini
Isiqhamo sesisindo si malunga ne-420 amagremu, kwaye ubude buyi-27.5 centimitha. Umntwana uqhubeka ekhula kwaye uzilungiselele ubomi ngaphandle kwesibeleko.
Iiveki ezingamashumi amabini anesithathu
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga ne-30 cm. Ubunzima buba ngu-500-510 g.Umntwana uyaqhubeka eginya umncinci wamanzi ojikelezayo kwaye uyisuse emzimbeni ngendlela yomchamo, umntwana uqokelela i-meconium.
Iveki amabini anesine
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum malunga ne-29-30 cm. Ubunzima - malunga ne-590-595 g. Ulusu lomntwana lukhula.
Iiveki ezingamashumi amabini anesihlanu
Ubungakanani ukusuka kwisithsaba kuya kwi-sacrum bu malunga ne-31 cm. Ubunzima buba malunga no-700-709 g. Ukuqiniswa ngamandla kwenkqubo ye-osteoarticular iyaqhubeka. Ukwabelana ngesondo lomntwana ekugqibeleni kuye kwachongwa. Amathambo enkwenkwe eqala ukuhla kwi-scrotum, kwaye amantombazana enza isondo.
Iveki engamashumi amabini anesithandathu
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga no-32.5-33 cm. Ubunzima bu malunga ne-794 ukuya ku-800 g. Ngeli xesha baphantse baqulunqwe ngokupheleleyo.
Iiveki ezingamashumi amabini anesixhenxe
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga no-34 cm. Ubunzima buba malunga ne-900 g. Ikhumba lomntwana lakho linamanzi ngenxa yokubhukuda kwi-amniotic fluid. Ukususela kweli veki, amathuba omntwana wokuhlala kwimeko yokuhanjiswa kwangaphambi kwe-preterm ayi-85%.
Iveki engamashumi amabini anesixhenxe
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum malunga ne-35 cm. Ubunzima bu malunga ne-1000 g. Ngoku umntwana usetyenziswa yonke imvakalelo yeemvakalelo: ukubona, ukuva, ukunambitha, ukuthintela. Ulusu lwakhe lukhula kwaye lube lufana nolusu lutsha.
Iiveki ezingamashumi amabini anesithoba
Ubungakanani ukusuka kwisithsaba kuya kwi-sacrum bu malunga no-36-37 cm. Ubunzima bu malunga no-1150-1160 g. Umntwana uqala ukulawula ukushisa kwakhe, kwaye umongo wakhe usemfanelo ngokupheleleyo ekuvelweni kweeseli ezibomvu zegazi. Umntwana ugxotha malunga nesiqingatha seyilitha yomlambo kwi-amniotic fluid yansuku zonke.
Iveki yesithathu
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga no-37.5 cm. Ubunzima buba malunga ne-1360-1400. Umntwana usuqala ukuqeqesha imiphunga yakhe, ukuphakamisa ngesisu kwisifuba, ngezinye iziphumo ekubetheni i-amniotic fluid kumphunga ongafanelekanga, kubangele i-hiccups.
Iveki-eveki yokuqala
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga no-38-39 cm. Ubunzima - malunga ne-1500 g. Kwizikhwama ze-alveolar, kubonakala i-cells ye-epithelial layers, eyenza i-surfactant. Lo mgqirha osasaza usasaza imiphunga, evumela umntwana ukuba athabathe emoyeni aze aphefumle ngokuzimela. Ngenxa yokwanda kwamanqwanqwa angaphantsi, ulusu lolutsha alubonakali lubomvu, njengaphambili, kodwa luhlaza.
Iveki yesibini nesibini
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga no-40 cm. Ubunzima bungama-1700 g. Kukho ibhukmakhi yesistim somzimba: umntwana uqala ukufumana i-immunoglobulins evela kumama kunye neenjongo ezikhuselekileyo ze-antibodies, eziza kuzikhusela kwiinyanga zokuqala zokuphila. Umthamo we-amniotic fluid ezungeze umntwana isitha enye. Zonke iiyure ezintathu zihlaziywa ngokupheleleyo, ngoko umntwana usoloko "ehlamba" emanzini acocekileyo, anokuginywa ngaphandle kwentlungu.
Iiveki engamashumi amathathu nesithathu
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum malunga no-42 cm. Ubunzima bu malunga ne-1800. Ngalesi sikhathi umntwana sele sele ephendukile phantsi: ulungiselela ukuzalwa.
Iveki yesine neyesine
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum malunga no-42 cm. Ubunzima - malunga no-2000. Iincwele zentloko yomntwana zaba zikhulu kakhulu, umntwana usuye wawela umbhobho we-embryo;
Iiveki ezingamashumi amathathu anesihlanu
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum malunga ne-45 cm. Ubunzima buba malunga no-2215 ukuya ku-2220 g. Ngeveki iisilumko zezingane sele sezikhulile kwi-edge of the finger. Ukuchaswa kwezicubu ezinamafutha kuqhubeka, ngokukodwa kwindawo yesiphambili: amaphepha omntwana ajikeleze kwaye athambile. I-Pushok-iwego isuka kancane kuyo.
Iveki engamashumi amathathu nesithandathu
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum bu malunga ne-45-46 cm. Isisindo singama-2300 g. Ukususela kwinyanga yesithoba yokukhulelwa umntwana usuku zonke ungeze ubungakanani ukusuka ngo-14 ukuya ku-28 g ngosuku. Kwisibindi sakhe, isinyithi siqokelela, esiza kunceda ukwakheka kwegazi kunyaka wokuqala weemvumba emhlabeni.
Iiveki ezingamashumi amathathu nesikhombisa
Ubude obuvela kwithsaba ukuya kwi-sacrum bu malunga ne-48 cm. Ubunzima buba malunga no-2800 g. Iifompo ziqhubeka ziqokelela ngesantya se-14 amagremu ngosuku, kwaye ukubunjwa kobuninzi be-myelin ye-neurons ethile yengqondo buqala nje (kuya kuqhubeka emva kokuzalwa).
Iiveki ezingamashumi amathathu nesibhozo
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum malunga ne-50 cm. Ubunzima bu malunga ne-2900 g. Ngokuqhelekileyo kwiiveki ezingama-38 intloko yakhe yehla ukuya emnyango we-pelvis encinci.
Iiveki engamashumi amathathu nesithoba
Ubungakanani ukusuka kwisithsaba ukuya kwi-sacrum malunga ne-50 cm. Ubunzima bu malunga ne-3000 g. Izipikili kwimilenze zikhule ngokupheleleyo.
Iveki eveleleyo
Ukuzalwa komntwana ngexesha lama-38 ukuya kuma-40 kwiveki. Ngeli xesha ixesha eliqhelekileyo lentsana lizalwa ngama-48-51 cm, kwaye isisindo esiphakathi si-3000-3100 amagremu.
Iiveki ezingamashumi amane nantandathu neyesibini
Ipesenti ezilishumi kuphela zabesifazane zenza oko kwangaphambi kweli xesha. Kuba umntwana akenzanga nengozi - iyakongeza kuphela.