Only 50-70% of pilonidal cysts contain hair at surgery. It is more common in adolescent and young males. Other risk factors include hirsute people, hair in the gluteal cleft, sitting occupations, obesity, and caucasian race.
How many stages of the life cycle does a butterfly have? Butterflies have 4 stages of life: egg, caterpillar, pupa and butterfly. The butterfly starts out its life in an egg, and once it is laid, it eats it for its first meal. Once â¦a caterpillar, it transforms itself into a cocoon, also known as the pupa stage. It stays inside the cocoon for about 85 days.
Stage 1: Eggs. In the first stage a girl butterfly lays eggs. A butterfly first starts out as an egg. A girl butterfly lays the eggs on a leaf. She lays the eggs really close together. The eggs are really small and round. About five days after the eggs are laid. A tiny worm-like creature will hatch from the egg.