Sexual intercourse is sex with penetration of the vagina or anus by a hard penis. A man who is aroused can get an erection. The penis swells with blood. It gets bigger and harder and it rises up. If you do not have a desire to have children at the moment, use contraception. A man and a woman, or 2 men, can have sex with penetration of the anus. A woman cannot get pregnant through penetration of the anus. However, make sure that semen does not enter the vagina. Some women want to have sexual intercourse during their menstrual period , others do not.
Penetration of the vagina
Performing a vaginal self-exam at home can help you familiarize yourself with your own body, as all vaginas are different. It can also help you identify changes and abnormalities. A gynecologist can check you for symptoms of sexually transmitted diseases STDs and perform a Pap smear test to screen for cervical cancer. Here are the symptoms you can look out for and discuss with a gynecologist at your next appointment. Their purpose is to protect and enclose the external genital organs. The labia majora may be covered in pubic hair, which usually grows in during puberty. The labia minora, or small lips, are found just inside the labia majora. It can be small in size or up to 2 inches wide. The opening of the vagina is located between the urethra and anus.
Vagina , canal in female mammals that receives the male reproductive cells, or sperm , and is part of the birth canal during the birth process. In humans, it also functions as an excretory canal for the products of menstruation. In humans the vagina is about 9 cm 3. The upper region of the vagina connects to the cervix of the uterus. The vaginal channel is narrowest at the upper and lower ends. In most virgins, the external opening to the vagina is partially closed by a thin fold of tissue known as the hymen. The opening vaginal orifice is partially covered by the labia majora. The muscle walls of the vagina are thick and elastic in order to accommodate both the movement of the penis during intercourse and the passage of a child during delivery. The muscular wall is composed of two layers of muscle fibres, a weak internal circular layer and a strong external longitudinal layer. Covering the muscle tissue is a sheath of connective tissue that consists of blood vessels, lymphatic ducts, and nerve fibres.
Just as women can have different sized breasts, hands, and feet, the size and depth of vaginas can also vary. According to one study, the average depth of a vagina is about 3. Other sources suggest that the average range of size may be about 3 to 7 inches approximately 7. In fact, the depth of the vagina from the opening to the tip of the cervix can measure anywhere up to 7 inches Several types of tissue line the inside of the vagina, including the mucosa. The mucosa is made up of specialized cells that secrete a lubricating fluid, which helps the vaginal walls to stretch. The exterior portion of the female genitals is the vulva. The vulva includes the labia minora and majora — the lip-like parts of the female genitals. The appearance of vulvas varies widely. The skin may be the same color or darker than the rest of the body.