cmca passageway and powers

Front

Refers to the presence of regular uterine contractions that cause progressive dilatation and effacement of the cervix and fetal descent.

Back

normal labor

Front

95% of women in labor will have___ contractions per 10 minutes.

Back

3-5

Front

Full cervical dilatation is usually achieved 4 hours after __ cm dilatation.

Back

4

Front

Strength of contractions is at least ____

Back

25mmHg.

Front

Risk Factors of Abnormal Labor, except: Older maternal age, Pregnancy complications, High station at full dilatation, Epidural Anesthesia, Pre term pregnancy

Back

Pre term pregnancy

Front

In spite of strong contractions, the fetus cannot descend through the pelvis because of the presence of an unsurmountable barrier preventing its descent. Can occur anywhere in the pelvis but usually occurs at the pelvic brim. Can result in prolonged latent, active or expulsive phase depending on which area of the birth canal the obstruction is present.

Back

OBSTRUCTED LABOR

Front

CAUSES OF OBSTRUCTED LABOR – small pelvis or large fetus

Back

CPD

Front

CAUSES OF OBSTRUCTED LABOR: - brow, shoulder, face with chin posterior, after-coming head in breech presentation.

Back

Abnormal presentations

Front

CAUSES OF OBSTRUCTED LABOR: - hydrocephalus, locked twins.

Back

Fetal Abnormalities

Front

CAUSES OF OBSTRUCTED LABOR: - pelvic tumor, stenosis of cervix or vagina, tight perineum.

Back

Abnormalities of reproductive tract