luteal phase


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lu·te·al phase

that portion of the menstrual cycle extending from the time of formation of the corpus luteum to the onset of menses, usually 14 days long; short luteal phase, a period of 10 days or fewer between ovulation and the onset of menses, frequently associated with infertility.

luteal phase

the third phase of the human menstrual cycle, when the ovarian follicle that has recently discharged an ovum ruptures and transforms into the corpus luteum, which secretes progesterone. Progesterone acts on the endometrium to build up tissue with a supply of blood for nourishment of the potential embryo. If fertilization and conception do not take place, the estrogen level falls and the menstrual phase begins.

lu·te·al phase

(lū'tē-ăl fāz)
That portion of the menstrual cycle extending from the time of formation of the corpus luteum to the onset of menses, usually 14 days in length; short luteal phase, a period of 10 days or fewer between ovulation and the onset of menses, frequently associated with infertility.

luteal phase

The phase of the menstrual cycle following ovulation when the CORPUS LUTEUM is active in the ovary.

luteal phase

the phase of the OESTRUS CYCLE in which the CORPUS LUTEUM forms in the ovary. Secretion of PROGESTERONE takes place followed by the development of uterine glands and a fall off in OESTROGEN secretion.

luteal

pertaining to or having the properties of the corpus luteum or its active principle.

luteal cyst
includes cystic corpora lutea, which are not evidence of ovarian malfunction, and luteinized cysts, which are usually anovulatory. The former can be identified by the presence of a palpable ovulation papilla. Animals with luteal cysts tend to be anestrus due to progesterone secreted by the cysts. See also luteal cyst.
luteal phase
the stage of the estrous cycle during which the effect of the corpus luteum dominates and the cow is anestrous because of the high levels of progesterone in the blood.
References in periodicals archive ?
Altered Cortisol levels (higher during the luteal phase (43) and lower during times of stress (14-44)) suggest a possibly altered HPA axis in some women with PMDD.
Luteal phase injection of GnRHa has been suggested as a method to increase pregnancy and live birth rates by enhancing luteinizing hormone secretion and supporting maintenance of the corpus luteum (5,16,17).
Luteal phase supplementation after gonadotropin-releasing hormone agonist trigger in fresh embryo transfer: the American versus European approaches.
The effect of luteal phase vaginal estradiol supplementation on the success of in vitro fertilization treatment: a prospective randomized study.
Urinary concentrations of BPA and MCOP may be associated with a shorter luteal phase, and this should be confirmed in future studies.
A curve of the serum nitrate-nitrite ratio could be constructed throughout the menstrual cycle, shows that while the ratio rises steeply during the follicular phase of the cycle, it increases only marginally in the luteal phase of the cycle.
The ovarian cycle is the combination of follicular maturation during the follicular phase, ovulation, and the development of the corpus luteum during the luteal phase, followed by corpus luteum regression and menstruation.
Luteal phase estradiol level: a potential predictive marker for successful pregnancy in in vitro fertilization/intracytoplasmic sperm injection.
The normal basal cells of the cervical epithelium exhibited a very low ratio of Ki-67 positivity (<2%) throughout the menstrual cycle; whereas the parabasal cells showed increased Ki-67-positivity (4%) in the luteal phase.
The abortion group consisted of 30 nulliparae with history of two or more successive (2) URA which entails (1) presence of a normal uterine cavity by hysterography, no luteal phase defect (progesterone level >10 ng/ ml), normal thyroid function tests (TSH, T3 and T4), normal levels of lupus anticoagulant measured by the activated partial thromboplastin time (32-43 seconds), normal levels of anticardiolipin IgG (<20 GPL) and IgM (<15 MPL) measured by ELISA and normal karyotyping (done for 10 cases with more than three successive abortions).
3,9,10] Study done by Howard P et all in 1992 showed no changes in ABR during different phases of menstrual cycle in normal menstruating female but ABR showed changes in moderate and severe premenstrual syndrome subjects during their late luteal phase compared to the normal females.
Low-dose SSRIs may be taken daily or can be effective against emotional and physical symptoms if taken only during the luteal phase of menstruation, starting on day 14 of the cycle and stopping on day 1, the first day of menses, Dr.