KTR inomiririra coccyx-parietal size, uye inokosha mumutambo wekutanga wekuita pamuviri kunyatsotsanangura nguva yehutumbi uye, nokuda kweizvi, kukwana kwekukura kwe fetus. Iko kukanganisa mukugadzirisa nguva yekupedzisira yeKTR ndeye zuva rimwe chete, muzviitiko zvisingawanzo - mazuva matatu.
Ko CTE ye fetus yakaenzaniswa sei?
KTP chiyero chinowanikwa panguva yakarongeka ultrasound. Muchiitiko ichi, chibereko chinoshandiswa mumapurogiramu akasiyana, mushure mokunge chiratidzo chikuru cherefu hwe fetus chinosarudzwa. Ndicho chiratidzo ichi chinoonekwa sechokwadi munguva ino. Zvisinei, inofanira kutarirwa mupfungwa kuti embryo ichakura nemamwe mamita mamita zuva rakatevera.
Sei uchitarisa CTE yemucheche kwemavhiki?
CTF ye embryo inobvumira kutarisa kukura kwayo kwemavhiki uye kuongororeka kupotsa munguva. Pamusoro pekukanganisa kutaura, kana muvhareji emiganhu yeKTR yemucheche inoparadzanisa kubva pachimiro.
Pamasvondo 10-12 inotanga kugadziriswa ultrasound inoshandiswa, panguva iyo kufambira mberi kwema fetus kunoongororwa, basa romwoyo wake, zvepabonde zvemwana zvakatemwa. Ichi chidzidzo chinotsanangura nguva yehutachiwana kuburikidza nekuyera ukuru hwemwana mumamilimita.
Kushandisa mhinduro yemufananidzo we fetal CTF, munhu anogona kutonga masvondo kuwedzera kwekugadzirwa kwecheche mukutanga kwekutanga kwekuita pamuviri, sezvo chiyero chekuita kwemazuva ekuberekwa kunoratidzwa mutafura (iri patafura).
Pamusoro petafura yakatarwa yeKTP yemucheche unogona kuona kuti madicesiti anowanikwa kusvika masvondo gumi nemasere. Ichokwadi ndechokuti panguva iyoyo kune masvondo gumi nemaviri aya aya data anonyanya kuratidza. Kuyera kwekupedzisira kweCCTF yemukomana kunogona kuitwa pamasvondo gumi nemashanu. Mushure memasvondo gumi nematanhatu, CTE ye fetus haina kuongororwa, nokuti mamwe maitiro anosvika mberi.
Zvinokurudzirwa kuita CTE chiyero panguva yevhiki dze11 kusvika ku12 - yekutanga izvi zvaitika, nekukurumidza mubvunzo uyu uchagadziriswa nehupo kana kusavapo kwematformations e fetus. Uye chetatu yekutanga yakakodzera kune ichi chikuru.
Kugadzirisa KTR maitiro zvinodiwa nachiremba, sezvo zviri nyore kuedza kunzwisisa huchenjeri hwose hwechiyero ichi kuzvimiririra. Mumwe anogona kuona zvakajeka - kusvika kumavhiki gumi nemaviri, CTE ye fetus inowedzera ne1 mm pazuva, uye inotanga kubva pavhiki 13 - 2-2.5 mm. Izvi zvinoreva kuti mwana anotanga kukura nesimba, sezvo masangano ake ese uye nhengo dzake dzakanyatsogadzirwa.
Kugadziriswa kweKTR zviratidzo nemavhiki
Penguva yemavhiki matanhatu, KTR ye fetus iri pakati pe7 ne 9 mm. Sekutanga kwevhiki 7, CTR ye fetus inowedzera kusvika 10-15 mm. Pamasvondo gumi, CTE ye fetus iri 31-39 mm. Uye pamasvondo 12-13, chiratidzo ichi chinowedzera kusvika 60-80 mm.
Iyo CT ye fetus pamasvondo gumi nemasere inenge 86-90 mm. Uye ikozvino muvhiki dzema16-17, CTE ye fetus haisisviki. Ichi chiratidzo chinotsiviwa nezvimwe, zvinonyanya kukosha pane zvino.
Sei zvakabva kubva korona kusvika kumuswe?
Iyo yose yekutanga yokutanga yemwana inoyerwa kubva korona kusvika kune tailbone. Mune imwe nzira, zvakaoma kuzviyera nekuda kwesimba rayo mukati mechiberekero. Iye "akanyengera", kana ndikataura kudaro. Hungu, uye hukuru hwemakumbo huri hudiki zvikuru. Nguva pfupi gare gare, acharuramisa zvishomanana uye chiyero chake chichagoneka kubva kumusoro kusvika kune zvitsitsinho.
Asi kunyange mushure mokunge maronda emakumbo akakura kusvika pakuzara kwawo, zvingava zvakaoma kuyera mwana mukukura zvakakwana, nokuti makumbo anoramba akadzikama. Iyo yakakwana yakazara ye fetus inogona kuwanikwa chete nekuwedzera maitiro ezvimwe zviyero zvayera kubva korona kusvika kune coccyx, thigh uye shin.
Asi kazhinji vanachiremba havaiti izvi, vachitsanangurira zvinhu zvose mumwe nomumwe uye pazvikonzero izvi vachitsigira mhedziso yavo pakuvandudzwa kwechecheche. Zvinyorwa zvinowedzera ndeyokuguma kwevanaamai vanoda kuzvirumbidza pamusoro pokukura kwakakwana kwevana vavo.