Ukwakheka kwe-Fetal ngesonto

Ukukhulelwa yisikhathi esimangalisayo sokuguquguquka okuqhubekayo kokuphila okusha. Isonto ngalinye yisinyathelo esilandelayo ekuthuthukiseni ingane. Ake sicabangele izigaba eziyisisekelo zokubunjwa kwezingane.

Ukubunjwa kwe-fetus ku-1 trimester

Inkathi yokukhulelwa ihlukaniswe ngezikhathi ezimbili - ama-embryonic (kusukela ekukhulelwe kuze kube sevikini lesishiyagalolunye) kanye nesisu (kusukela ngesonto lesishiyagalolunye kuze kube sekuzalweni kwengane). Emasontweni okuqala emva kokukhulelwa, i-embryo iqala.

Kusukela emavikini angu-4-7, kunezinkomba ze-muscular, bone and muscle tissue. Ekupheleni kwesonto lesine, inhliziyo iyaqala ukushaywa. Kancane kancane, kukhulunywa izihloko zekhanda, izingalo nemilenze.

Ukwakhiwa kwesistimu ye-central central in the fetus kugcwaliswa ngeviki lesi-7. Ukuqothulwa kwamehlo, isisu nesifuba kuyaqhubeka kakhulu. Kodwa ngesikhathi esifanayo, uhlelo lokugaya umzimba kanye nezitho zangasese zobulili ziyaqhubeka nokuthuthukisa.

Ngeviki lesishiyagalolunye , lezi zinyenyana sezivele zithuthukile kahle ezingxenyeni ezibalulekile zangaphakathi, nakuba ukuthuthukiswa kwazo okuqhubekayo kusasebenza.

Ngesonto lesishiyagalolunye umntwana angakwazi ukuziqhayisa ngezitho zangaphakathi ezakhiwe. Ubuso obuncane buzuza izici eziningi futhi ezihlukile. Ubude bomthamo obuphelele bungaba ngu-2.5 cm.

Amaviki 10-12 - kunyuke okukhulayo kwezicubu ze-muscle. Ngalesi sikhathi kukhona ama-phalanges weminwe ene-marigolds yokuqala. Emasontweni angu-12, le-fetus yakha ubuchopho.

Ukuthuthukiswa kwe-Fetal ku-2 trimester

Ekuqaleni kwe-trimester yesibili, i-fetus ingumzimba ovuthiwe. Amaviki ayi- 13-16 yisikhathi sokuthuthukiswa okusheshayo. Iziqu zokuhamba ziqondiswa ngaphezulu. Isisindo somntwana singafinyelela ku-1300 g, ukuphakama - 16-17 cm.

Inhliziyo ye-fetal isakhiwe isikhathi eside futhi ingazwakala nge-stethoscope. Amathoni kancane kancane athola ukuqina. Izitho zobulili zihlukile. Ngesikhathi esifanayo, isidumbu sisaphila nge -gogo - i-fuzz yangempela.

Amaviki angu-17-20 azozwa ngomsebenzi okwandisiwe wengane. Umzimba uba obala kakhulu. Izinso zifakiwe emsebenzini. Kunezinhlawulo zamazinyo ezinsana ezizayo. Ukuthuthukiswa okusebenzayo kwezitho zangaphakathi kuyaqhubeka. Isisindo somsana singasuka ku 340-350 g, nokuphakama - 24-25 cm.

Ithuba lokuzwa imisindo yezwe elizungeze imvuthu ibonakala ngeviki 21-24. Futhi umama ozayo ngezinye izikhathi angase azizwe nendlela ingane ehlala ngayo. Ngalesi sikhathi, iphupho lomntwana liye laphazanyiswa ngezikhathi ezimfushane zokuvuka. Yilokho lapho echaza khona ama- jerks asebenzayo nokunyakaza.

Ukuthuthukiswa kwengane ku-3rd trimester

I-trimester yesithathu yokukhulelwa iqala ngamaviki angu-25. Nsuku zonke ingane ihlala ilungiselela ukubonakala kwayo. Ngesikhathi samasonto angu-25-28, isithelo, ngokwesilinganiso, sinesisindo esingama-1 kg, ubude bayo buyi-35-37 cm. Naphezu kokuthi amaphaphu angakakulungeli umsebenzi wesikhathi esizayo, i-cortex isivele isakhiwe. Ingane ingavula ngisho nokuvala amehlo.

Ukuhlukanisa phakathi kokukhanya nobumnyama ingane izokwazi ukufika emavikini angu-29-32. Ngalesi sikhathi izindlebe zakhe zibukeka ngokuphelele.

Ukuqoqwa kwezicubu ezinamafutha kakhulu kwenzeka ngeviki le-33-36. Isikhumba siba bushelelezi, sinama-pink tinge. Amapayipi alungele ngokuphelele umsebenzi wesikhathi esizayo. Futhi nakuba ukubunjwa kobulili emntwaneni kuphelile ngokugcwele, ukuthuthukiswa kwazo kuyaqhubeka.

Amaviki angu 37-40 yisikhathi lapho cishe yonke imingcele ye-fetus ihambelana nosana olusanda kuzalwa. Ukwakhiwa kwe-fetus kusukela ngesikhathi sokukhulelwa kufikela ku-apogee yayo-ukuzalwa kokuphila okusha. Isisindo somntwana singaba ngu-2 500 kuya ku-4,000 kg. Kancane kancane, i-yoursgo iyalala futhi i-grease yasekuqaleni ivela, okufanele ivikele ingane ezinsukwini zokuqala ngemva kokuzalwa. Ingane inesimiso sokunyakaza okuyi-reflex okuyokwenza ukuba asinde, futhi emathunjini iqoqa ikhal - meconium yasekuqaleni. Inhloko iyancipha endaweni yangasese.

Ukwakhiwa kwezitho zangasese zomama amasonto okukhulelwa kumntwana ngamunye kungase kube nezici zayo. Qaphela lezo zinguquko ezinhle ezenzeka emzimbeni wesifazane. Phela, ukukhulelwa kuyisikhathi esithakazelisayo futhi esijabulisayo sokuphila.