Definitions for menstrual cycle
men·stru·al cy·cle

Princeton's WordNetRate this definition:0.0 / 0 votes

1. menstrual cyclenoun

   a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation

   "the average menstrual cycle is 28 days"

WiktionaryRate this definition:0.0 / 0 votes

1. menstrual cyclenoun

   The recurring cycle of physiological changes in the females of some animal species that is associated with reproductive fertility; especially the cycle in a human woman.

WikipediaRate this definition:0.0 / 0 votes

1. Menstrual cycle

   The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that make pregnancy possible. The ovarian cycle controls the production and release of eggs and the cyclic release of estrogen and progesterone. The uterine cycle governs the preparation and maintenance of the lining of the uterus (womb) to receive an embryo. These cycles are concurrent and coordinated, normally last between 21 and 35 days, with a median length of 28 days, and continue for about 30–45 years. Naturally occurring hormones drive the cycles; the cyclical rise and fall of the follicle stimulating hormone prompts the production and growth of oocytes (immature egg cells). The hormone estrogen stimulates the uterus lining (endometrium) to thicken to accommodate an embryo should fertilization occur. The blood supply of the thickened lining provides nutrients to a successfully implanted embryo. If implantation does not occur, the lining breaks down and blood is released. Triggered by falling progesterone levels, menstruation (a "period", in common parlance) is the cyclical shedding of the lining, and is a sign that pregnancy has not occurred. Each cycle occurs in phases based on events either in the ovary (ovarian cycle) or in the uterus (uterine cycle). The ovarian cycle consists of the follicular phase, ovulation, and the luteal phase; the uterine cycle consists of the menstrual, proliferative and secretory phases. Day one of the menstrual cycle is the first day of the period, which lasts for about five days. Around day fourteen, an egg is usually released from the ovary. Menarche (the onset of the first period) usually occurs around the age of twelve years. The menstrual cycle can cause some women to experience premenstrual syndrome with symptoms that may include tender breasts, and tiredness. More severe symptoms that affect daily living are classed as premenstrual dysphoric disorder, and are experienced by 3–8% of women. During the first few days of menstruation some women experience period pain that can spread from the abdomen to the back and upper thighs. The menstrual cycle can be modified by hormonal birth control.

ChatGPTRate this definition:0.0 / 0 votes

1. menstrual cycle

   The menstrual cycle is a natural monthly process that occurs in the female reproductive system where the body goes through changes to prepare for potential pregnancy. It involves stages such as menstruation, follicular phase, ovulation, and luteal phase. Hormones like estrogen and progesterone regulate these changes. If no pregnancy occurs, the cycle ends with the shedding of part of the endometrial lining, also known as periods. The cycle typically lasts for 28 days but can vary from woman to woman.

WikidataRate this definition:0.0 / 0 votes

1. Menstrual cycle

   The menstrual cycle is the scientific term for the physiological changes that occur in fertile female humans and other female primates for the purposes of sexual reproduction. This article focuses on the human menstrual cycle, a "monthly" cycle that can vary around an average of 28 days per cycle. The menstrual cycle, under the control of the endocrine system, is necessary for reproduction. It is commonly divided into three phases: the follicular phase, ovulation, and the luteal phase. It is also occasionally misclassified using the uterine cycle: menstruation, proliferative phase, and secretory phase. Menstrual cycles are counted from the first day of menstrual bleeding. Hormonal contraception interferes with the normal hormonal changes with the aim of preventing reproduction. Stimulated by gradually increasing amounts of estrogen in the follicular phase, discharges of blood slow then stop, and the lining of the uterus thickens. Follicles in the ovary begin developing under the influence of a complex interplay of hormones, and after several days one or occasionally two become dominant. Approximately mid-cycle, 24–36 hours after the Luteinizing Hormone surges, the dominant follicle releases an ovum, or egg in an event called ovulation. After ovulation, the egg only lives for 24 hours or less without fertilization while the remains of the dominant follicle in the ovary become a corpus luteum; this body has a primary function of producing large amounts of progesterone. Under the influence of progesterone, the endometrium changes to prepare for potential implantation of an embryo to establish a pregnancy. If implantation does not occur within approximately two weeks, the corpus luteum will involute, causing sharp drops in levels of both progesterone and estrogen. These hormone drops cause the uterus to shed its lining and egg in a process termed menstruation.

U.S. National Library of MedicineRate this definition:0.0 / 0 votes

1. Menstrual Cycle

   The period from onset of one menstrual bleeding (MENSTRUATION) to the next in an ovulating woman or female primate. The menstrual cycle is regulated by endocrine interactions of the HYPOTHALAMUS; the PITUITARY GLAND; the ovaries; and the genital tract. The menstrual cycle is divided by OVULATION into two phases. Based on the endocrine status of the OVARY, there is a FOLLICULAR PHASE and a LUTEAL PHASE. Based on the response in the ENDOMETRIUM, the menstrual cycle is divided into a proliferative and a secretory phase.

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1. • Cycle

How to pronounce menstrual cycle?

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How to say menstrual cycle in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of menstrual cycle in Chaldean Numerology is: 3

2. Pythagorean Numerology

   The numerical value of menstrual cycle in Pythagorean Numerology is: 9

Examples of menstrual cycle in a Sentence

1. Jo Mountfield:

   There is no evidence to suggest that these temporary changes will have any impact on a person's future fertility, or their ability to have children. It is important to get vaccinated as the best protection against coronavirus. This is especially important if you are planning a pregnancy, as we know unvaccinated pregnant women are more at risk of becoming seriously ill from COVID-19, we support calls for more research to understand why women may be experiencing changes to their menstrual cycle after having the vaccine.

2. Mary Rosser:

   You see this a lot with marathon runners or ballet dancers, for example, stress on thebody can alteryour menstrual cycle, particularlywhen itgoes hand-in-hand with weight loss.

3. David Frederick:

   One theory is that in ancestors of humans, orgasm occurred more easily because its function was to cause ovulation to occur. This happens in many animals, once the monthly menstrual cycle began regulating ovulation, orgasm was no longer coupled with reproduction for women. This allowed ability and ease of orgasm becoming more variable in women over millions of years and is why orgasm frequency is much more variable in women than in men.

4. Sumbul Desai:

   Knowing more about your menstrual cycle gives you a window into your health, from simply insuring you are prepared to understanding your personal patterns and regularities.

5. Larry Rand:

   Especially in low - and middle-income countries with really high preterm birth rates and huge neonatal mortality rates, one of the biggest problems is, there is no ultrasound, and women are not empowered to keep track of their last menstrual cycle. It's often taboo to keep track of or talk about your period, that is one of the biggest problems we have worldwide, and lots of folks have been working on trying to find another way -- ideally an inexpensive test -- to figure out what the gestational age is for any given pregnancy.

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=menstrual cycle
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Menstrual_Cycle
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Menstrual_Cycle
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=menstrual cycle