<entry> <ent_seq>2857786</ent_seq> <k_ele> <keb>開口期</keb> </k_ele> <r_ele> <reb>かいこうき</reb> </r_ele> <sense> <pos>&n;</pos> <field>&med;</field> <gloss>dilatation stage (of labour)</gloss> </sense> </entry>