Ukulu wa mwanayo makamaka kumadalira momwe kubereka kudzachitikira, kotero kuwerengera kulemera kwa fetus kwa amayi ambiri amtsogolo kumakhala chinthu chofunika kwambiri. Cши C C Cшиши C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C + Tiyenera kuzindikira kuti chiwerengero cha mawerengero amenewa ndi ofanana, popeza zimadalira zinthu zosiyanasiyana, kuphatikizapo maonekedwe a mayi, kuchuluka kwa amniotic fluid, malo a mwana wosabadwa m'chiberekero, ndi zina zotero.
Mafomu olimbitsa thupi:
- OZH x VDM
Ши Cши д Cши д Cши Cши Cши д Cшиши Cши Cши Cши Cши C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C Mwachitsanzo, ngati pamasabata 32 mimba ya m'mimba ndi 84 masentimita ndipo chiwerengero chachiwiri ndi 32 cm, ndiye kuti mwanayo ali ndi chiwerengero chokwanira cha 2688. Ndikoyenera kubwereza kachiwiri kuti zotsatira za mawerengero amenewa ndi ofanana, ndipo zolakwika zingakhale 200-300 g.
- (OZH + VDM) / 4 x 100
Njirayi imakuthandizani kuti muwerenge kulemera kwa mwana wakhanda pa nthawi ya mimba. Pachifukwachi, zizindikiro ziwiri (mimba ya m'mimba ndi kutalika kwake kwa chiberekero cha m'mimba) ziyenera kupangidwa, zogawanika ndi zinayi ndi kuchulukitsidwa ndi zana. Choncho, chifukwa cha magawo operekedwa, kulemera kwa fetus kudzakhala 2900 g.
- (VDM - 12 kapena 11) x 155
Шиши Cши Chata Chata C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C K C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C There Malingana ndi fomu ya Solovyov, ndondomeko inayake imachotsedwa kuchokera ku chiwonetsero cha kutalika kwa chiberekero pansi (12 - ngati chiwerengero cha mkono wa mkazi chiposa 12 cm, 11 - ngati sichichepera), ndiyeno nambala ikuchulukitsidwa ndi 155. Chifukwa cha ichi, kulemera kwake kwa fetus kudzakhala 3100 kapena 3255 gramu malinga ndi momwe thupi la mayi amtsogolo likuyendera.
Kutsimikiza kwa kulemera kwa fetus ndi ultrasound
Deta yolondola kwambiri ingapezedwe ngati tiwerengera kukula kwa fetus ndi ultrasound. Cши Cши Cши C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C Kuti muwerenge kulemera kwa mwana wamasiye kwa masabata , pali kachipangizo kakang'ono. Ngati mutalowa deta yonse ya ultrasound, mungathe kupeza zotsatira zomwe ziri pafupi kwambiri.
Pambuyo powerengera ndi machitidwe osiyanasiyana ndikuganizira zotsatira za ultrasound, mukhoza kuyeza kulemera kwake kwa mwanayo pakabereka. Ndikoyenera kukumbukira kuti chiwalo chilichonse chili chokha, choncho ngati zotsatira zake zili zapamwamba kapena zochepa kuposa zomwe zimachitika, ndizoyambirira kwambiri kuti zisokonezeke. Monga lamulo, zikhalidwe zingagwiritsidwe ntchito moyenera kokha kwa theka lachiwiri la mimba, pamene mwanayo ali wamng'ono, koma mu trimester yachitatu zolakwika zingathe kufika 500 g.