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Cephalopelvic Disproportion (Pregnancy & Parenting)

Cephalopelvic disproportion
The most common reason for doing a cesarean section. Sometimes the infant's head is larger than the mother's pelvis, through which the head must pass in a vaginal delivery.


The above information on cephalopelvic disproportion (CPD) was excerpted from our article, Caesarean Myths Exploded.
Stories & Experiences From Australian Midwives
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Cephalopelvic disproportion (CPD): the baby's head is too large to fit through the pelvic outlet, or the mother's outlet is not opening enough to admit the baby's head.

Cephalopelvic disproportion: When a baby's head is too large to pass through the mother's pelvis. This condition usually results in a cesarean section.

Cephalopelvic disproportion: When the body part of the baby that comes out fi rst from the uterus is too large for the mother’s pelvis and birth canal.

Cephalopelvic disproportion - Circumstance in which the baby's head won't fit through the mother's pelvis ...

Cephalopelvic Disproportion - Term for when the baby's head will not fit through the mother's pelvis.
Cervical Incompetence - Term for the condition in which the cervix begins to open before the baby is full term.

Cephalopelvic Disproportion
This is when the baby's head is too large to pass through the mother's pelvic opening.

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Diagnosing cephalopelvic disproportion without ensuring adequate uterine contractions
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Relaxin for slow or prolonged labor ...

Labor could stop progressing for several reasons, including cephalopelvic disproportion -- when the infant's head is too large for the mother's pelvic structure.

Cephalopelvic Disproportion (CPD)
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Corpus Luteum Cyst ...

Cases where the size of your baby's head and your pelvis do not correspond (for example, if your pelvis is too small to accommodate your baby's head) are known as pelvic or cephalopelvic disproportion.

Cephalopelvic disproportion (CPD) being the reason for your previous caesarean section gives you around a 66% chance of a VBAC. CPD is when your babies head is too big to fit through your pelvis.

Six women in each group underwent c-section for cephalopelvic disproportion (CPD) after the start of the study solution. Fifty-three percent of the bupivacaine group had an instrumental delivery versus 28% of the saline group ("<0.05).

The baby's head is too large to pass through mother's pelvis (cephalopelvic disproportion).
The baby is positioned buttocks-first (breech) or crosswise (transverse), rather than head-down.

The most common indication was cephalopelvic disproportion (31.25%). Out of 53 babies delivered (one triplet delivery), two were grossly malformed and 49.05% babies had birth weight between 3.0 kg and 4.0 kg and 9.43% were macrosomic. A total of 45.

Details of birth outcomes including large neonate (4000 g), cesarean section due to cephalopelvic disproportion and operative vaginal delivery of women with and without GDM according to criteria of the NDDG and modified OGTT are shown in Table 4.

There is evidence of cephalopelvic disproportion (baby's head is too large to push through the pelvis)
Your labour is not progressing (known as failure to progress which does not constitute a true emergency) ...

That way there's little risk the body will make it through but the baby's head will get hung up. In cephalopelvic disproportion, the baby's head is often too large to fit through the mother's pelvis, ...

medical conditions such as some infectious sexually transmitted diseases, or medical conditions that develop because of pregnancy such as gestational hypertension or diabetes, pre-eclampsia or an unusually large baby (cephalopelvic disproportion).

   Pregnancy & Parenting  Cephalic  Cerclage

See also: See also: Pregnancy, Delivery, Cesarean, Vagina, Placenta

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