A.初產(chǎn)婦、經(jīng)產(chǎn)婦有規(guī)律收縮時
	B.初產(chǎn)婦宮口開至3~4cm,經(jīng)產(chǎn)婦宮口開大10cm且宮縮好
	C.初產(chǎn)婦宮口開至3~4cm,經(jīng)產(chǎn)婦宮口開大3~4cm且宮縮好
	D.初產(chǎn)婦宮口開至10cm,經(jīng)產(chǎn)婦宮口開大10cm且宮縮好
	E.初產(chǎn)婦宮口開至10cm,經(jīng)產(chǎn)婦宮口開大3~4cm且宮縮好
 
                            
	A.1cm
	B.2cm
	C.3cm
	D.4cm
	E.5cm
	A.髂棘間徑
	B.髂嵴間徑
	C.坐骨結(jié)節(jié)間徑
	D.坐骨棘間徑
	E.骶恥外徑
