Ndili ndi zaka zambiri zopanga fetal yonyamula fetal , yomwe ikuwonetsedwa kungathetse kuwunika kovomerezeka kwa fetal . yonyamula fetal yomwe ingagwiritsidwe ntchito ikhoza kukwaniritsa ntchito zambiri pa intaneti kuwunika kwa fetal . Kuphatikiza pa mndandanda wazogulitsa pansipa, mutha kusinthanso chidwi chanu cholembedwa molingana ndi zosowa zanu zapadera.