PLACENTA PREVIA and CEPHALIC

hello po mamshies here, worried lang ako kasi yung result ng UTZ ko say;PLACENTA PREVIA and CEPHALIC..I'm 23 weeks and 2 days pregnant ..Neresearch ko kasi meaning nito so alarming.. eh sa 22 pa sked ko for prenatal. May possiblity daw magka bleeding pgka Placenta previa meaning yung placenta nasa baba near sa cervix..Magbabago pa kaya ito ? repeat UTZ ako in 35th week