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The human female reproductive system is made up of the internal and external sex organs that function in the reproduction of new offspring. The reproductive system is immature at birth and develops at puberty to be able to release matured ova from the ovaries , facilitate their fertilization , and create a protective environment for the ...
In pregnancy, the vulva and vagina take on a bluish coloring due to venous congestion. This appears between the eighth and twelfth week and continues to darken as the pregnancy continues. [39] Estrogen is produced in large quantities during pregnancy and this causes the vulva to become enlarged. The vaginal opening and the vagina are also ...
Changes in breast size during pregnancy may be related to the sex of the infant, as mothers of female infants have greater changes in breast size than mothers of male infants. [14] Many people and even medical professionals mistakenly think that breastfeeding causes the breasts to sag (referred to as ptosis).
The term vagina is from Latin vāgīna, meaning "sheath" or "scabbard". [1] The vagina may also be referred to as the birth canal in the context of pregnancy and childbirth. [2] [3] Although by its dictionary and anatomical definitions, the term vagina refers exclusively to the specific internal structure, it is colloquially used to refer to the vulva or to both the vagina and vulva.
First, it's important to go over some basic female anatomy. A uterus is a muscular organ in the female pelvis that holds and nourishes the fetus during pregnancy . "In most women, the uterus is ...
Pregnancy is the time during which one or more offspring develops inside a woman's uterus (womb). [4] [13] A multiple pregnancy involves more than one offspring, such as with twins. [14] Pregnancy usually occurs by sexual intercourse, but can also occur through assisted reproductive technology procedures. [6]
The vagina is an important part of the female anatomy, but many people know very little about it. "When we do exams in the office, we get out a mirror, show women their vaginas and point out the ...
Typically, the cells of female humans contain two X chromosomes, while the cells of male humans have an X and a Y chromosome. [25] During early fetal development, all embryos have phenotypically female genitalia up until week 6 or 7, when a male embryo's gonads differentiate into testes due to the action of the SRY gene on the Y chromosome. [26]