Cervical changes and birth canal relationship model
Cervical changes and birth canal relationship model
Main features:
â– The set of models is composed of six modules of different cervical changes and birth canal.
â– This set of models is the dilation of the cervical opening, the degree of cervical canal change, and the positional relationship between the fetal head and the plane of the ischial spine.
â– Changes in each part of the first stage of labor expansion:
· Stage 1: The cervical opening has not dilated, the cervical canal has not disappeared, and the positional relationship between the fetal head and the plane of the ischial spine is -5.
· Stage two: dilation of the cervix by 2 cm, disappearance of the cervical canal by 50%, and the positional relationship between the fetal head and the plane of the ischial spine is -4.
· Stage 3: Cervical dilation 4cm, cervical canal completely disappeared, fetal head and ischial spine plane position relationship is -3.
· Stage 4: Cervical dilation 5 cm, cervical canal completely disappeared, the positional relationship between fetal head and ischial spine plane is 0.
· Stage 5: Cervical dilation 7cm, cervical canal completely disappeared, the positional relationship between fetal head and ischial spine plane is +2.
· Stage 6: Cervical dilation 10 cm, cervical canal completely disappeared, the positional relationship between fetal head and ischial spine plane is +5.
Other accessories configuration:
Luxury portable aluminum box, etc.
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