noun
definition
The release of an ovum from an ovary.
Examples of ovulation in a Sentence
During a process called atresia, eggs are lost at some stage without maturing to ovulation.
Laparoscopic ovarian diathermy is a safe and effective alternative to ovulation induction with gonadotropins.
Ovulation induction with urinary follicle stimulating hormone versus human menopausal gonadotropin for clomiphene-resistant polycystic ovary syndrome (Cochrane Review ).
Women with invasive ovarian tumors were no more likely to have been exposed to any ovulation induction agents.
The less melatonin there is, the higher the chance of an ovulation.
Persona and Rhythm methods Persona is a recently introduced method of contraception that relies on testing urine for hormonal changes relating to ovulation.
For women looking to get pregnant, inducing ovulation is possible.
It lowers sperm counts in men, suppress ovulation in women and can be a trigger for schizophrenia and various forms of psychosis.
This has an adverse effect on multiple organ systems and inhibits ovulation, leading to the characteristic features of the syndrome.
This is a urine test, which detects the surge of luteinising hormone, which stimulates ovulation.
A hormone called follicle-stimulating hormone (FSH ), which normally triggers ovulation, also goes into overdrive in an attempt to stimulate ovulation.
On the pill, the hormones are given in a steady dose, which prevents ovulation from taking place.
These results suggest that home ovulation testing results in reduced chance of pregnancy, with increased frustration for both patients and clinic staff.
Has anyone used Calista - the saliva ovulation test?
Another remote risk to life is from unusually severe reactions to hyperstimulation of the ovaries by the hormones used to induce multiple ovulation.
This condition results in irregular ovulation and thus periods are usually infrequent.
The main outcome was that electroacupuncture induced regular ovulation in more than a third of the women.
Since 1986 in the in vitro fertilization program of the clinic nearly 1,500 patients were treated with effected ovulation induction drugs causing superovulation.
When the mucus changes from a cloudy, tacky substance to a clear, slippery substance, you are nearing ovulation and at your most fertile.
Your temperature will rise slightly as you near ovulation.
The first period that you experience may not be due to ovulation, but you should consider it a very important sign that your fertility is back and seek appropriate birth control.
This type of twin pregnancy is usually genetically based and occurs when the woman's ovaries release more than one egg at ovulation.
Certain foods may contain higher levels of hormones that are similar to estrogen, such as yams, which may influence ovulation and conception.
Experts in the field tested ovulation stimulation over the next ten years using drugs such as clomiphene and human menopausal gonadotropin.
The timeline below illustrates the evolution of successful ovulation stimulation.
The development of Lupron (GnRH agonist) helped control the spontaneous ovulation issues which had previously plagued IVF research and treatment.
While ovulation stimulation and egg retrieval research for fallopian tube problems continued, scientists also began experimenting with techniques to remedy other conception issues.
In girls, LH and FSH stimulate the ovaries to begin releasing eggs during ovulation, which leads to menstruation.
She was bred four times- twice before and twice after ovulation.
Your vet can help determine when ovulation begins by using one of the following methods.
A series of progesterone tests can be used to track the rise of the hormone progesterone in the bloodstream and determine when ovulation has begun.
When progesterone levels rise, so does the pituitary gland's production of lutenizing hormone, and this triggers ovulation during which the eggs are released for fertilization.
Since the male's sperm can live up to a week after delivery, breeding as soon as ovulation begins increases the chance that each ripened egg will become fertilized.
These signs signal the onset of ovulation, and breedings are best planned to coincide with this timing.
Progesterone-The hormone produced by the ovary after ovulation that prepares the uterine lining for a fertilized egg.
The primary cause is an increased chance of multiple ovulation, when a woman releases two or more eggs.
The normal process of single ovulation is interrupted because fertility drugs permit more than one egg at a time to mature and be released.
This was followed by the development of two natural hormones, follicle-stimulating hormone and chorionic gonadotrophin (Pergonal) to produce multiple eggs ovulation.
Premenstrual syndrome (PMS) refers to symptoms that occur between ovulation and the onset of menstruation.
Because PMS is restricted to the second half of a woman's menstrual cycle, after ovulation, it is thought that hormones play a role.
The hormone estrogen gradually rises during the first half of a woman's cycle, the preovulatory phase, and falls dramatically at ovulation.
After ovulation, the postovulatory phase, progesterone levels gradually increase until menstruation occurs.
This treatment, as well as removal of the ovaries, is used to prevent ovulation and the changes in hormones that accompany ovulation.
Luteinizing hormone-A hormone secreted by the pituitary gland that regulates the menstrual cycle and triggers ovulation in females.
Contraceptive-A device or medication designed to prevent pregnancy by either suppressing ovulation, preventing sperm from passing through the cervix to fertilize an egg, or preventing implantation of a fertilized egg.
Once ovulation and menstruation begin, the maturing of the breasts begins with the formation of secretory glands at the end of the milk ducts.
The increasing level of estrogen leads to ovulation halfway through the cycle, and then the hormone progesterone takes over in the second half of the cycle, stimulating the formation of the milk glands.
Contraception (birth control) prevents pregnancy by interfering with the normal process of ovulation, fertilization, and implantation.
There are different kinds of birth control that act at different points in the process, from ovulation through fertilization to implantation.
After an egg is released from the ovary during ovulation, fertilization (the union of sperm and egg) normally occurs in the fallopian tubes.