Mukadzi wacho anonzwa sokutanga kusinganzwisisiki kuonekwa kwechi fetus pavhiki 20, iyo yatotonyatsojekesa pamasvondo makumi maviri nemaviri. Izvi zvinokonzerwa nekuti iyo fetus inenge yakakura kwazvo uye yakazvimiririra musi we 22 vhiki, saka inokwanisa "kutaura" naamai semwana mukuru: mwana anokwanisa kuratidza kuzvidya mwoyo, kutya kana mufaro.
Kazhinji, pavhiki 22, zvakakosha kuitisa chirongwa chinonzi ultrasound che fetus, nemhaka iyo chiremba anogona kugona zvinotevera:
- Ukuru hwemuviri wemwana wemunguva yemberi . Nekutsvakurudza kwakadaro, yeperi-occipital uye biparietal zvakakosha zve musoro uye chikamu chayo chakayerwa. Edzaiwo urefu hwemapfupa ehudyu nechepamucheto, gumbo uye shanduko pamativi ose maviri uye mutsara wemuviri. Kana ukama hwomwana husinganzwisisiki - izvi zvinogona kuratidza kunonoka kuduku mukukudziridza.
- Anatomy ye fetus uye congenital malformations . Kuti aone humwe huri nhengo dzinokosha, chiremba anoongorora chiropa, mapapu, uropi, mwoyo nemukaka. Nekutsvakurudza kwakadaro, zvinobvira kuona kugadziriswa kwechimiro chemuviri kana hutano hwepakati panguva.
- The placenta uye umbilical cord . Nechirongwa che ultrasound, chiremba anonyatsoongorora iyo placenta uye umbilical cord. Muchidimbu chinowanikwa mumutsara, panofanira kuva nemariti maviri uye imwe mutezo. Asi muzviitiko zvizhinji zvekudzivirira mune 1 ariti nemidziyo 2, izvo zvingakanganisa nguva yekuzvitakura.
- Amblerous water . Nyanzvi inofungidzira huwandu hweamniotic fluid, kusakosha kweiyo kunogona kutungamirira kugestosis, kusagadzikana uye kusagadzikana mukukura kwe fetal. Uye kuwandisa kwemvura kunogona kukonzera kuvharwa kwe fetal mudimbu wembilical, nokuda kwe "rusununguko rwekuita" rwechecheche.
- Chirwere chechibereko . Nekutsvakurudza kwakadaro panguva ino, unogona kuongorora njodzi yekuparara pamuviri kana kuonekwa kwebasa risina nguva.
Kukura kwekutora pavhiki 22
Phiki 22, fetus iri nechepamusoro pasi, asi mharidzo inotenderera ye fetus inogona kuonekwa zvakare. Usavhunduka kamwechete pamusoro peizvi,
Mwana anogona kuiswa kune imwe mamiriro ezvinhu anotevera:
- apo mukadzi akapfeka mwana wechipiri kana wechitatu;
- ne polyhydramnios;
- nekukura kusina kujairika uye chimiro chechibereko, pamwe chete neUterine myomas;
- pa "pasi" placenta kana mharidzo yayo;
- uye kusagadzikana kwe fetus.