Chimodzi mwa maphunziro omwe amapangidwa pa nthawi ya mimba ndi fetal TB , yomwe imayimira makulidwe a collar danga. Kutsimikiza kwa TBP kumachitidwa pogwiritsa ntchito makina a ultrasound. Phunziroli likuchitika panthawi yoyembekezera kuyambira masabata 11 mpaka 14. Panthawi yoyambirira mayesero sangathe kuchitika, ndipo patatha masabata 14 phunziroli silipereka zotsatira zodalirika. Tanthauzo la fetal TB si loopsa kwa mayi ndi mwana. Phunziroli likuchitika mwa njira yachizolowezi kapena transvaginal.
Kodi FGP ya fetus ndi chiyani?
Mtengo umenewu umasonyeza kuchuluka kwa madzi pakati pa mkati mwa khungu ndi kunja kwa mapepala omwe amaphimba chiberekero cha msana. Tsatanetsatane wa TB imayesedwa kuti awulule kupezeka kwa kukula kwa fetus, monga matenda a Down, matenda a Turner, Patau syndrome ndi Edwards syndrome.
Poyesa kuchuluka kwa chiopsezo, zochitika monga za msinkhu komanso thanzi la mayi woyembekezeredwa zimaganiziridwa. Komabe, malingana ndi zotsatira za kafukufukuyu, kudziŵa molondola sikunapangidwe, pakuti izi zili ndi maphunziro ochuluka kwambiri. Ngati zotsatira za feteleza TBE zikuwonetsa zolakwika, ichi ndi chifukwa chochitira amniocenteis ndi chorionic villus biopsy - mayesero omwe amatsimikizira molondola kapena kusatsutsa kupezeka kwa matenda. Maphunzirowa ndi owopsa ndipo akhoza kuyambitsa kubereka msanga.
Fetal TVP ndi sabata ndizolowereka
Chizoloŵezi cha TBI pa sabata la 11 la mimba ndi 1-2 mm, ndipo pamasabata 13 - 2.8 mm. Komabe, zopotoka kuchokera ku chizoloŵezi - ichi si chifukwa chowopsya. Ngati chiwerengero chiyenera kukhulupiliridwa, m'thupi la 3 mm, matenda osokoneza bongo amapezeka mu 7% mwa fetus, mu TVP mu 4 mm - 27% komanso mu TVP mu 5 mm - 53% mwa fetus. Kuwonjezeka kwa TSS mwana wakhanda ndi mwayi wopereka mayeso ena. Kutalika kwakukulu kuchoka ku chizoloŵezi, ndikosavuta kuti chitukuko cha matenda chifike patsogolo.