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Because humans inherit mitochondrial DNA only from the mother's ovum, genetic studies of the female line tend to focus on mitochondrial DNA.
Whether or not a child is considered female does not always determine whether or not the child later will identify themselves that way (see gender identity).
Conversely, in certain cultures which link family honor with female virginity, the word girl is still used to refer to a never-married woman; in this sense it is used in a fashion roughly analogous to the obsolete English maid or maiden.
Alchemists constructed the symbol from a circle (representing spirit) above an equilateral cross (representing matter).
Womanhood is the period in a female's life after she has passed through childhood and adolescence, generally around age 18.
Women with typical genetic development are usually capable of giving birth from puberty until menopause.
With regard to gender, a woman may also be a person whose sex does not align with their gender identity, In Old English, wīfmann meant "female human", whereas wēr meant "male human".