first stage of labour 0.0 / 5 ? OtherAnatomy and physiologyUniversityNone Created by: libsdCreated on: 24-01-19 10:06 What is the first stage Onset of regular painful contractions 1 of 13 what happens effacement, progresive dilation of the cervical os 2 of 13 When should a woman ring triarge waters break or if she is having 3-4 contractions in ten minutes 3 of 13 Fundal dominance Contractions start in the fundus and is most intense in the fundus permitting dilitation 4 of 13 Polarity neuromuscular harmony that prevails between the two segments of teh uterus 5 of 13 contraction and retraction upper segment contracts and lower segment distends and dilates 6 of 13 formation of upper and lower segment layers of uterus divides into two segments 7 of 13 Retraction ring a ridge forms between the upper and lower uterine segment 8 of 13 Effacement thinning of the cervix 9 of 13 show mucus plug 10 of 13 forewaters fluid in front of the head 11 of 13 fetal axis pressue force applied by the uterine fundus to the upper pole of the fetus and along the axis of the fetus as the presenting part is applied to the cervix 12 of 13 fergusons reflex oxcytocin causes uterus to contract and descends fetus, distenses cervix and vagina, stimulates pelvic floor nerve impulse 13 of 13
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