This video shows Cephalopelvic disproportion due to Hydrocephalus.
Cephalopelvic disproportion (CPD) is a term that is used to describe a condition in which a baby is too large to come through the mother's pelvis. The size and shape of a woman's pelvis vary. The position of the baby often depends on the shape of mom's pelvis, such as how wide or how deep it is.
Large-sized baby: This can be caused by gestational diabetes and other conditions that cause a baby to be macrosomic (weight is more than 4000 or 4500 grams) or large for gestational age (LGA). Post-term pregnancies and hydrocephalus (fluid in the baby's brain that leads to swelling) may also cause cephalopelvic disproportion.
Causes of Cephalopelvic Disproportion:- With true CPD, there is a mismatch in size between the mother's pelvis and the baby's head. This is either due to the baby being especially large or the mother's pelvis being especially small. The medical term for when the fetus is overly large is fetal macrosomia.
Contracted Pelvis. Definition. Anatomical definition: It is a pelvis in which one or more of its diameters is reduced below the normal by one or more centimeters. Obstetric definition: It is a pelvis in which one or more of its diameters is reduced so that it interferes with the normal mechanism of labor.
Cephalopelvic disproportion is rare. According to the American College of Nurse-Midwives (ACNM), CPD occurs in 1 out of 250 pregnancies. If you have been diagnosed with CPD, it does not mean that you will have this problem in future deliveries.
Risk factors and causes of cephalopelvic disproportion
Infertility treatment.
Maternal obesity.
Previous cesarean delivery.
Polyhydramnios
Gestational diabetes.
Postmaturity or gestational age over 41 weeks.
Multiparity (mother has previously been pregnant)
Age 35 or over (advanced maternal age)
Hydrocephalus, also called water in the brain, is a condition where there is an abnormal build-up of CSF (cerebrospinal fluid) in the cavities (ventricles) of the brain. The build-up is often caused by an obstruction that prevents proper fluid drainage.
Hydrocephalus is caused by an imbalance between how much cerebrospinal fluid is produced and how much is absorbed into the bloodstream. Cerebrospinal fluid is produced by tissues lining the ventricles of the brain. It flows through the ventricles by way of interconnecting channels.
Hydrocephalus is a chronic condition. It can be controlled, but usually not cured. With appropriate early treatment, however, many people with hydrocephalus lead normal lives with few limitations. Hydrocephalus can occur at any age but is most common in infants and adults age 60 and older.

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