All of the following are true about anencephaly except:

Commonest congenital malformation where there is absence of the fetal cranial vault and Cerebral hemispheres. In association there is absence of the fetal pituitary which results in lesser oxytocin available at term for onset of labour and hence these babies tend to go beyond term. Being an open neural tube defect, it may be associated with polyhydramnios and increased AFP secretion Presentation during labour is usually face