-
Obese - Being overweight.
-
Obesity - Obesity is more extreme than being overweight. A person is thought to be obese when weight is 25 percent (for women) more than the weight she should be for her height. Obesity can be defined using BMI (Body Mass Index). A person with a BMI over 30 is thought to be obese.
-
Obscenity - Sexually arousing imagery that is considered socially offensive.
-
Obsessive-Compulsive Disorder (OCD) - An anxiety disorder in which a person suffers from obsessive thoughts and compulsive actions, such as cleaning, checking, counting, or hoarding. The person becomes trapped in a pattern of repetitive thoughts and behaviors that are senseless and distressing but very hard to stop. OCD can be mild or severe, but if severe and left untreated, can stop a person from being able to function at work, at school, or even in the home.
-
Occupational Therapy - therapy aimed to restore a person's basic skills, such as bathing and dressing.
-
Oedipal Conflict - The Freudian theory that children have an unconscious sexual attachment to the parent of the other gender, causing them to be hostile toward the parent of the same gender.
-
Oligomenorrhea - Infrequent or scanty periods.
-
Open Relationship - A relationship in which both partners are free to date or have sex with other people.
-
Oral Contraceptive - The birth control pill.
-
Oral Sex – Sucking and/or licking a partner’s sex organ.
-
Orgasm - The peak of sexual arousal when all the muscles that were tightened during sexual arousal relax, causing a very pleasurable feeling that may involve the whole body. The fourth stage of the sexual response cycle.
-
Osteoporosis - Osteoporosis (oss-tee-oh-puh-ro-sis) is a condition that means your bones are weak, and you’re more likely to break a bone. Since there are no symptoms, you might not know your bones are getting weaker until you break a bone! A broken bone can really affect a woman’s life. It can cause disability, pain, or loss of independence. It can make it harder to do daily activities without help, such as walking. This can make it hard to participate in social activities. It can also cause severe back pain and deformity. Osteoporosis can happen to any of your bones, but is most common in the hip, wrist, and in your spine, also called your vertebrae. Vertebrae are important because these bones support your body to stand and sit upright.
-
Outercourse - Sex play that does not include inserting the penis in the vagina or anus.
-
Ova - Unfertilized egg cells (a single egg is called "ovum") that mature in the ovary and are released during ovulation
-
Ovaries – Two oval-shaped organs located in the lower abdomen on either side of the uterus that produce hormones and release eggs or ova. Each month, through the process called ovulation, the ovaries release eggs into the fallopian tubes, where they travel to the uterus, or womb. If an egg is fertilized by a man's sperm, a woman becomes pregnant and the egg grows and develops inside the uterus. If the egg is not fertilize, the egg and the lining of the uterus is shed during a woman's monthly menstrual period
-
Ovary - Together, the two ovaries contain all the eggs a woman will produce in her lifetime. There is one ovary on each side of the uterus. Once a month, ovulation occurs, which is when the egg matures and travels out of the ovary.
-
Over-the-Counter – Over-the-counter medicines are medicines you can buy at a pharmacy or store without a prescription, or an order from your doctor. Examples include cold medicine, medicines for stomach pain, or pain relievers.
-
Ovulation – The actual release of a single egg from a follicle that developed in the ovary. It usually occurs regularly, around day 14 of a 28-day menstrual cycle.
-
Ovulation Method - a method used by couples trying to get pregnant, in which they have intercourse just before or after ovulation.
-
Ovum - A mature egg cell. Once the egg is mature, it travels from the ovary through the fallopian tube to the uterus where, if unfertilized, it will be shed with the endometrium.
