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The earliest women whose names are known through archaeology include: In terms of biology, the female sex organs are involved in the reproductive system, whereas the secondary sex characteristics are involved in nurturing children or, in some cultures, attracting a mate.The ovaries, in addition to their regulatory function producing hormones, produce female gametes called eggs which, when fertilized by male gametes (sperm), form new genetic individuals.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 assignment does not align with their gender identity, In Old English, wīfmann meant "female human", whereas wēr meant "male human".(For other ways in which men commonly differ physically from women, see man.) During early fetal development, embryos of both sexes appear gender-neutral.As in cases without two sexes, such as species that reproduce asexually, the gender-neutral appearance is closer to female than to male. The term woman is usually reserved for an adult, with the term girl being the usual term for a female child or adolescent.
At birth, babies may be assigned a gender based on their genitalia.
It is a stylized representation of the goddess Venus's hand-mirror or an abstract symbol for the goddess: a circle with a small equilateral cross underneath.
The Venus symbol also represented femininity, and in ancient alchemy stood for copper.
Most women have the karyotype 46, XX, but around one in a thousand will be 47, XXX, and one in 2500 will be 45, X.
This contrasts with the typical male karotype of 46, XY; thus, the X and Y chromosomes are known as female and male, respectively.
In particular, previously common terms such as office girl are no longer widely used.