Astanga Hrudaya
वृद्धिपत्रं हि तीक्ष्णाग्रं न योनाववचारयेत्। पूर्वं शिरःकपालानि दारयित्वा विशोधयेत्॥३१॥
Vriddhipatra which has a sharp blade should not be inserted into the vagina. Methods of removing the dead impacted fetus by parts: First, the scalp should be punctured and then cleared out (pulled out of the uterus).
english translation
vRddhipatraM hi tIkSNAgraM na yonAvavacArayet। pUrvaM ziraHkapAlAni dArayitvA vizodhayet॥31॥
hk transliteration by Sanscript