Epidemiology
Iniencephaly is thought to make up around 1% of all fetal abnormalities, with an incidence rate estimated at 0.1 to 10 in 10,000 deliveries. For unknown reasons, this disease seems to occur most often in newborn females (about 90%). References


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Auras are a kind of condition which affect certain parts of the brain, usually the parts that control vision but they can also affect the parts of the brain which control the other senses like touch, motor control (moving parts of the body) and the parts of the brain that control speech. Signs and symptoms
Warning symptoms
Warning symptoms also called prodrome symptoms often happen before a migraine attack. Sleepiness
Fatigue
Depression (feeling sad), euphoria (feeling very happy) or irritability
Restlessness
Excessive (too much) yawning
Food cravings especially for sweet or salty foods or loss of appetite
Increased thirst
Diarrhea
Nausea
Bloating: the body retains (keeps) too much water
Neck stiffness
Talkativeness (talking too much)
Feeling light-headed
Uterine pain and cramping

Headache
A pounding throbbing headache with the pain being on one side of the head (unilateral). The side of the head that has the pain changes from one headache to the next. Associated conditions
Often, having one medical condition makes it more likely a person will also have one or more other medical or psychiatric disorders. These other disorders are the "comorbid disorders" or "comorbidities". There are various comorbid medical and psychiatric conditions associated with migraines. The treatment and prognosis (if a disease gets better, worse or stays the same over time) of migraine is affected by the comorbid disorders which may be present and/or the chance of getting comorbid disorders. Asthma – Premenstrual asthma (PMA): is when asthma symptoms get worse during the premenstrual period. This condition may affect up to 40% of females with asthma.