Ziziphi iinguqulelo umntwana ayenayo ngeveki 3?
Ngalesi sikhathi, inkqubo yokumisela iyagqityiwe kwaye iqanda lomntwana lifakwe eludongeni lwe-uterine. Endaweni apho i- placenta iya kubakho kwixesha elizayo , ifom ye-villi, kwaye nganye nganye iyaqala ukukhupha i-capillary. Yilo lwakhiwo olunika indawo yengane, eqala ukuvela kwiiveki ezi-5-6.
Ukuba sithetha malunga nento eyenzeka ngqo kwiintsana ezizayo kwiveki yokukhulelwa, kuyafaneleka ukuphawula ukuba ngeli xesha uhluke ngokupheleleyo kumntu. Ubungakanani bayo abugqithisi u-0.15 mm kwaye ngaphandle kwebriyo kufana nesimo se-auricle esenza ngaphakathi kwebladder fetal.
Isigaba sesibini sokugcoba, esichazwa ngokubunjwa kwamaphepha e-embryonic, iyaqhubeka. Ngeli xesha, ukubunjwa kwebhanki ye-neural, i-neural crest, i-chord, apho i-axial organ is formed kwixesha elizayo, iyaqatshelwa. Ngexesha elifanayo, ibhukmakhi yexesha elizayo le-cardiovascular system (iinqanawa, intliziyo), ukhetho (pronephros) luphawulwe.
Ngeveki yesithathu yobuthathaka, umbungu unesiqalo seentsholongwane ezizayo, iingxowa kunye nemilenze, ubuchopho, intumbo, imiphunga. Kukho ukusabalalisa kwe-membrane ebizwa ngokuba yi-oropharyngeal, kwindawo apho umlomo ukhiwa khona kwixesha elizayo.
Yintoni eyenzekayo kumama ozayo?
Ngalesi xesha lo mfazi ulindele ukuqala kweentsuku ezilandelayo zokuhamba kwakhe, ngokuqhelekileyo iimpawu zokuqala zibonakalisa njengobonakaliso be-premenstrual syndrome:
- isicefe
- ukuphulwa kwesondlo, ukubonakala kwezinto ezikhethiweyo;
- ukunyamezela kwizinto ezivuthayo;
- buthathaka;
- ukucaphuka.
Ukuze ufunde malunga nokukhulelwa ngeli xesha, ungasebenzisa uvavanyo oluqhelekileyo lokukhulelwa.