- 1、foetalelectrocardiograph2、embryonicmembrane,foetalmembrane3、Somefoetalmalformationscannotbediagnoseduntillateinpregnancy.4、Shelaycurledupinafoetalposition.5、Thechorionandamnionarefoetalmembranesthatcontributetotheplacentaandthefoetalsacrespect...
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