How many letters does the top answer for “a severe recurring vascular headache; occurs more frequently in women than men” have?

The most common answer is hemicrania (10 letters).

Crossword clue: a severe recurring vascular headache; occurs more frequently in women than men

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

hemicrania 10 letters wn-def

a severe recurring vascular headache; occurs more frequently in women than men

megrim 6 letters wn-def

a severe recurring vascular headache; occurs more frequently in women than men

migraine 8 letters wn-def

a severe recurring vascular headache; occurs more frequently in women than men