Biparietal ukuru hwe fetal head

Muchivhiringidzika, pane dzakawanda, nokuti iwe unogona kutsanangura nguva yekugadzikana, kuvapo kana kusavapo kwekusava nekugadzikana mukugadzirwa kwemucheche. Biparietal ukuru hwemusoro we fetal imwe yezvinyorwa izvi, yakarurama kupfuura vamwe kuti vataure nezvezwi rekuzvitora. Biparietal size yemusoro we fetal inogona kugadziriswa kuburikidza nekubatsira kwechirongwa che ultrasound, uye kugadzirisa kwaro kubva panguva yevhiki 12 kusvika ku 28 kunonyanya kukwirira. Muchikamu chino tichakurukura kuti tingaenzanisa sei biparietal ukuru hwemusoro, izvo zvikwangwani zvaro zvakasiyana-siyana zvekufambira mberi kwema fetus uye zvingangopedzisira zvichibva kune zvakasikwa.

Iko biparietal ukuru hwemusoro we fetal inowanzoitika

BDP yemusoro wekufukidzira ndiyo chikamu pakati pemakumbo ekunze uye emukati emapfupa emapetetal, mutsetse unobatanidza rutivi rwekunze rwemapfupa emapareti unofanirwa kudarika thalamus. Kusiyana kubva pamitemo yekuyera kunotungamirira kune kukanganisa kwemigumisiro uye, sechikonzero, kwete kuchisarudzo chakanaka chezera rekutenda. Mimba imwe neimwe inobatana nehumwe hutano hweB fetal fetal muzvigadzirwa. Sezvo nguva yekuita muviri inowedzera, biparietal ukuru hwemusoro we fetal inowedzera, uye pamagumo ekudzivirira kuwedzera kwayo kukura kunoderera zvikuru. Semuenzaniso, BDP ye fetus pamasvondo gumi nemaviri, pamusana payo, ndeye 21 mm, BDP ye fetus pamasvondo gumi nemasere, 24 mm, pamasvondo gumi nemaviri - 34 mm, pamasvondo makumi maviri nemaviri - 61 mm, BPR pamasvondo makumi maviri nemasere 82 mm, pamasvondo makumi matatu nemasere - 84 mm, uye mumavhiki makumi mana - 96 mm.

Biparietal ukuru hwemusoro we fetal inofungidzirwa pamwe chete nehupamhi-occipital size (LZR), uchivayerera mune imwe ndege (pamakumbo emakumbo eropi uye maziso anooneka). Iko kuchinja kwehukuru hwezvipikisi zviviri izvi zvakananga zvakaenzana nekureba kwehutumbi.

Mushure memasvondo makumi matatu nemasere, sarudzo yemusoro we fetal inogona kusiyanana, iyo ichatsanangurawo biparietal size yemusoro we fetal. Nokudaro, nechinangwa che dolichocephalic, BDP yemusoro we fetal inenge isingasviki.

Ultrasound pakuberekwa BDP musoro we fetus muhutano uye chirwere

Biparietal size yemusoro we fetal pamwe nezvimwe zviratidzo zvinobvumira kutsanangurira kukanganisa kwakadaro mukukura kwe fetus sekumhanya kwekukura kwe fetus ye fetus, hydrocephalus uye fetus guru. Kana chiratidzo cheBDP chiri chakanyanya kudarika, usakurumidza kugumisa, iwe unoda kuongorora zvimwe zvikamu zvemuviri we fetal. Kuwedzera kwakasiyana muhukuru hwose hwemuviri (musoro, chifuva, mimba) inopa chikonzero chekutora chibereko chikuru.

Kana chete biparietal uye lobinal-occular zviyero zvakawedzerwa (kureba kubva kune yakanyanya kuputika kumucheto kwechemberi kwepfupa kusvika kumucheto wekunze wesipipital bone), uku ndiko kusimbiswa kwehutano hwe hydrocephalus. Chikonzero chehydrocephalus mu fetus ishutachi HIV.

Muzviitiko izvi apo BDP ye fetus isiri pasi pezvakagadzirwa uye zvimwe zviyero zvayo zvose hazvienderane nekugumira kwenguva, saka kuongororwa kunogadziriswa - kukanganisa kwekuwedzera kweprauterine ye fetus. Zvimwe zvinokonzera ZVUR zvipembenene zvepirusine zve fetus, chisingagumi hypoxia, nekuda kwekuchecherwa kwe fetoplacental. Kana iyo kunonoka kwekutsvaga kwema intrauterine kunoongororwa, zvino mukadzi wacho anobatwa zvisina kukwana, achida kubvisa chikonzero chacho: kuvandudza utero-placental blood flow, kuwedzera kuendeswa kweakisijeni uye michina kumucheche ( Kurantil nekuda kwevakadzi vane pamuviri , Actovegin, Pentoxifylin).

Kuderedza BDP ye fetus pamwe neRZR pasina kuderedza humwe hukuru hwemuviri, inotaura nezve microcephaly.

Takaongorora maitiro ehuwandu hwebiparietal ukuru hwemusoro we fetal, kukosha kwahwo muhutano hwakanaka uye hutsika.