Okokuqala umama owaziwayo nengane yakhe kwenzeka ngexesha lokufunda okokuqala. Isifundo ngasinye sinemisebenzi yaso kwaye kufuneka senziwe ngexesha elithile. I-ultrasound yokuqala yokucwangcisa ivela kwiyeshumi ukuya kweveki yeshumi elinesibini. Injongo ye- ultrasound yokuqala kukupheliswa kwezinto ezingaqhelekanga, ukucaciswa kwexesha lokugaya kunye nokupheliswa kwezinto ezingalunganga zomntwana.
Kwiseshoni yesibini ye-ultrasound, eqhutyelwa ngethuba ukusuka kwamashumi amabini ukuya kwamashumi amabini anesibili iveki, ingcali ibona isakhiwo sezitho, ihlola inkqubo ye-nervous central kunye neendlela ezinokwenzeka ze-cardiovascular system. Okwangoku unako ukugqiba ngesondo lomntwana.
Imiqathango yesithathu ye-ultrasound ekukhulelweni iphakathi kwemida ye-32-34 iiveki. Injongo ephambili yale sifundo kukuqinisekisa ukuba inxalenye yentsholongwane kwaye ingabandakanyi ukulibaziseka nokungonakali kwengane.
Imisebenzi ye-ultrasound ecwangcisiweyo yesithathu ekukhulelweni
I-ultrasound ye-3rd trimester yindlela yokugqibela yokucoca i-ultrasound , leyo iyimfuneko, eyadlula umama ozayo.
Inkcazo yokujonga i-ultrasound 3 trimester iya kunceda:
- Qinisekisa indawo apho umntwana ekhona ukuze aqinisekise isicwangciso sokuqhuba abasebenzi: i-natural or caesarean section.
- Cacisa idatha ye-anatomical yobusana: ubukhulu, ubunzima obulindelekileyo, kunye neenkcukacha zeenkcukacha ezifunyenweyo kwixesha lokukhulelwa. Kwi-ultrasound kwi-3rd trimeter, kunokwenzeka ukufumanisa ukusuleleka kwe-fetus, ngenxa yezifo ezithathelwa ngumama ngokwazo, ezinye izinto ezimbi ezingazange zichongwe kumaxesha angaphambili. Kwakhona, ukuhlolwa kwe-ultrasound kwi-trimester kunokufumana utshintsho kwi-cortex ye-cerebral.
- Misela inani le-amniotic fluid. Ukuba inani le-amniotic fluid lidlula kakhulu kumgangatho oqhelekileyo kumgaqo ophezulu okanye ongaphantsi, oku kungabonisa utshintsho kwiedomical data ye-fetus. Okokuqala, qaphela isisu, isisu somntwana.
- Ukuphelisa iingxaki ezinokwenzeka, ezinjengokubonakala kwezinto ezibonakalayo, ukungazi kakuhle komlomo wesibeleko, Ezi zinokuthintela ukubeletha ngokukhawuleza.
Ngexesha lokuhlolwa kwe-ultrasound, umsebenzi wokuphefumula kunye nomqhubi we-fetus uhlolwa, i-placenta ihlolwe: indawo kunye nobuxhakabhaka, ubukho bentetho ye-pathological structure. Olu phofu lwenza ukuba kube lula ukucaca ukukhula komntwana kunye nomhla wokulindeleka wokuhanjiswa.
Imiqathango yesithathu ye-ultrasound ekukhulelweni
Ngenxa yokuziphatha kwe-ultrasound kwi-3rd trimester, kukho umgaqo osisigxina, ngokokuba ugqirha kufuneka aqhube uphononongo umfazi okhulelweyo aze afumane idatha echanekileyo malunga nokuphuhliswa kwe-fetus. Le protocol inika ingcamango ecacileyo kwisigqirha malunga nesimo somfazi okhulelweyo kunye nomntwana wakhe ozayo. Olu xwebhu luya kunceda ugqirha uphendule ngokukhawuleza naziphi na iimeko ezingenzeka ngexesha lokubeletha. Kwiimeko eziqhelekileyo ze-ultrasound, i-trimester kufuneka ithwale ulwazi olulandelayo.
Inani leziqhamo, isikhundla sabo. Kulungile, ukuba umntwana lowo unentloko ye-previa. Kwakhona, isiphelo se-ultrasound sinezibonakaliso ezinjalo:
- I-BPR - isiqhelo se-7,6-9,1 cm;
- I-OZH - isiqhelo se-8-10.3 cm;
- I-OG - isiqhelo se 8.7-10.4 cm;
- I-LZR - isiqhelo se 9.9-11.7 cm;
- DB - isiqhelo se 5.7-7.1 cm.
Xa i-3 ultrasounds iyenziwa (iiveki ezingama-32-34), ubunzima bomntwana kufuneka bube phakathi kwe-2248-2750 g. Ubungakanani be-placenta akufanele buhambe ngaphaya kwama-26.8-43.8 mm. I-placenta iphetha ukufuduka ngokuqala kwekota yesithathu kwaye ithatha isikhundla apho iya kuba khona ngaphambi kokuziswa. Kwakhona uvavanye umlinganiselo wokukhula kwe-placenta, ukuqala kwiiveki ezingama-34, kufuneka ube ne-degree yesibili yokukhula. Umlinganiselo we-amniotic fluid akufanele ube ngaphezu kwe-1700 ml. Uninzi okanye amanzi amancinci angabonisa ubukho bentsholongwane emntwaneni.