Icho chi-TVP fetus - amai vose vachauya munguva yechipfuva kubva pagumi nerimwe kusvika pamwedzi wegumi nemana. Fetal TVP inyaniso yepayipi ye occipital. Kushandisa ultrasound, kubwinya kwenzvimbo iri pakati peganda uye zvinyoro zviduku zve fetal neck zvakatemwa. Kuwedzera munharaunda iyi kunoratidza kukura kwei genetic pathologies. Chimiro cheTV fetal nevhiki chinoratidzwa mu tafura iri pasi apa.
Pamwe chete ne fetal TB mune vhiki gumi nemaviri pamusoro pe ultrasound inogadza kuvapo kwefupa remapfupa, iyo, nekunakidzwa kwekuberekwa kwekuberekwa, inofanira kutanga kusvika kwegumi yevhiki. Sezvo muvana vane chromosomal pathologies ossification inowedzera zvishoma, kusavapo kwenyama yakasanganiswa nejashu kunogona kuratidzawo chirwere ichi.
| Nguva yekuzvitakura, vhiki. | Kuwanda kwemiravha nzvimbo, mm | ||
|---|---|---|---|
| 5th percentile | 50th percentile | 95th percentile | |
| Vhiki gumi. 2 mazuva - vhiki gumi. 6 mazuva | 0.8 | 1.5 | 2.2 |
| 11ed. 2 mazuva - vhiki gumi nemana. 6 mazuva | 0.8 | 1.6 | 2.2 |
| Vhiki 12. 2 mazuva - mavhiki 12. 6 mazuva | 0.7 | 1.6 | 2.5 |
| 13 masvondo. 2 mazuva - mavhiki 13. 6 mazuva | 0.7 | 1.7 | 2.7 |
Pamazuva akatevera vhiki yegumi nemana, zvakaoma kuziva chirwere ichi, nokuti lymphatic system inotanga kushanda mumwana uye kuwedzera kwemvura inoshandiswa.
Kuwedzerwa kweTBE mu fetus
Kuwedzera kweTBE mumucheche kunoratidza hutano hwakafanana neA Down syndrome . Kuti uongorore hutano huno, tsvakurudzo ino inoitwa. Kuti uone kuvapo kwemamwe maitiro ekusaremara, ita mazamu ekuongorora ma ultrasound.
Vakadzi vane pamuviri vane makore makumi matatu nemishanu vane ngozi yakawanda yokuva nevana vane maitiro ekurumbira. Nokudaro, vanachiremba vanogara vachikurudzira kuti vanoenda kunorapwa vasati vatarisira kuti vave nechokwadi chokuti TV fetus yave yakajairika. Maererano nehuwandu hwemashoko, dambudziko rekuwedzera muTBC mumusikana muvakadzi vane pamuviri kune makore makumi matatu nemashanu pa1: 1350, mumadzimai mushure memazera makumi matatu nemashanu ari 1: 1380, uye mumadzimai anopfuura makumi mana, 1: 100.