Menstruation occurs on a monthly cycle throughout female reproductive life. Animated menstrual cycle powerpoint teaching resources. Figure 4 shows a representation of the endometrium throughout the menstrual cycle. The day count for menstrual cycle begins on the first day of menstruation when blood starts to come out of the vagina. The ovarian cycle governs the preparation of endocrine tissues and release of eggs, while the menstrual cycle governs the preparation and maintenance of the uterine lining. Last menstrual cycle, afterwhich egg production stops 4 phases of menstrual. It starts after ovulation and ends with the first day of your period. This cycle results in the thickening of the lining of the. The following chapter is called physiology of ovulation. Menstrual periods usually start between the ages of 915. Powerpoint showing the menstrual cycle, with stages discussed and annotations of a graph of hormones.
Physiology of the menstrual cycle is the property of its rightful owner. We women work hard to stay on top of everything we do. Common menstrual problems include heavy or painful periods and premenstrual syndrome pms. Physiologyof the menstrual cycleovulation divides the mc into two phases. Day 1, uterus lining which is prepared for implantation starts to shed which lasts 3 to 5 days. The monthly cycle of changes in the ovaries and the lining of the uterus endometrium, starting with the preparation of an egg for fertil.
A regular menstrual cycle is an important element of successful conception. Females often undergo their first menstrual cycle between the ages of 11 and 14. The ovarian cycle consists of the follicular phase, ovulation, and the. As follicles mature they compete with each other for dominance. The level of luteinizing hormone lh surges during this phase signalling the release of the egg from the follicle into the fallopian tube. Menarche the first menstrual cycle normally occurs between the ages of 11 and 15 and the menopause between the ages of 45 and 55. Menstrual cycle womens health issues msd manual consumer. Each month her eggs go through a maturation process called the ovarian cycle, and that cycle creates a secondary oocyte than can be then fertilized by a sperm to result in a pregnancy. Nov 30, 2016 the menstrual cycle has four stages stage 1. Unit 3 reproductive systems and the menstrual cycle. The median menstrual cycle lasts 28 days, beginning with the first day of menstrual bleeding and ending just before the subsequent menstrual period.
The ovaries are two structures in a females reproductive system that produce her eggs. May 22, 2018 the menstrual cycle goes through phases which are complicated and influenced by the human hormones generated and many diverse glands. The process is known as ovulation and the egg can then be fertilised for up to 2448 hours. Effects of the menstrual cycle on exercise performance. Background female soccer has grown extensively in recent years, however differences in genderspecific physiology have rarely been considered.
The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation and the luteal phase. Normal menstrual cycle represents a coordinated serial event, repeated month by month. Mar 16, 2017 the hormonal shifts of the menstrual cycle can be used to your advantage when training. In this section, the length of menstrual cycle has been assumed to be 28 days which is the average among women. The menstrual cycle is the regular natural change that occurs in the female reproductive system specifically the uterus and ovaries that makes pregnancy possible. The first phase, which starts the first day you get your period and lasts until the day you ovulate, is called the follicular phase. It is also known as menstrual cycle, also known as endometrial cycle. The menstrual cycle the menstrual cycle the function of the menstrual cycle is to provide a favourable. Follicular phase days 114 this phase of the menstrual cycle occurs from approximately day 114. In menstrual cycle dating, the first day of the menstrual bleed is considered day 1. The first day of menstrual bleeding is considered day 1 of the cycle. Menstrual cycle phases of menstrual cycle and menstrual hormones. Cycle days approximate events of the menstrual cycle. Ppt menstrual cycle powerpoint presentation free to.
This lesson focusses on the month long menstrual cycle and options for contraception. The cycle ends just before the next menstrual period. But what if i told you that your monthly cycle has four unique phases, and that each one brings about different physical and emotional strengths. Learning objective to understand the menstrual cycle. During the menstrual phase, the endometrium undergoes changes and is sloughed in women, due to low estrogen levels.
It takes place monthly all over a womans reproductive life, except during pregnancy. This article defines the menstrual cycle phases and hormones. While there are a lot of applications like menstrual cycle calculators or flow trackers, that will guide and help a person track their own menstrual cycles, its still better to know the basics of it. First comes the menstrual phase, when a woman gets her period and her levels of the hormones estrogen and progesterone drop. The lining of the uterus builds up again, from day 4 to day 14, into a thick spongy layer of blood vessels ready to receive the fertilised egg. Menstrual cycle 1 menstrual cycle 2 aim what are the four phases of the menstrual cycle. The menstrual cycle is divided into four phases, namely. Phases of menstrual cycle free download as powerpoint presentation. Phases of menstrual cycle the day count for menstrual cycle begins on the first day of menstruation when blood starts to come out of the vagina. The female reproductive hormones which rise and fall throughout the menstrual cycle, are known to affect numerous cardiovascular, respiratory, thermoregulatory and metabolic parameters, which in turn, may have implications on exercise. The menstrual cycle is a regular natural change that occurs in womans body approximately in monthly cycles throughout her reproductive life. The basic biology of the menstrual cycle is a complex, coordinated sequence of events involving the hypothalamus, anterior pituitary, ovary, and endometrium. Find powerpoint presentations and slides using the power of, find free presentations research about ovarian cycle ppt. This four phase cycle prepares female bodies to have a baby later in life, if a woman so chooses.
Women have approximately 450 menstrual cycles in their lifetime. The luteal and secretory phases refer to changes in the ruptured follicle. If you continue browsing the site, you agree to the use of cookies on this website. The menstrual cycle occurs due to the rise and fall of estrogen. Follicle stage a single egg matures within the follicle under the influence of the hormone follicle stimulating hormone fsh. Menstrual cycle stages get to know 4 phases of women. Menstrual cycle and contraception lessonthis full lesson includes a lesson powerpoint with student activities and tasks included within the document. The menstrual cycle begins with menstrual bleeding menstruation, which marks the first day of the follicular phase. All about the menstrual cycle powerpoint presentation. The entire duration of a menstrual cycle can be divided into four main phases. The menstrual and ovarian cycles each have 3 phases. It is characterized by loss of vaginal blood breaking of endometrium wall of uterus. This video shows what happens during the menstrual cycle and why.
The cycle is required for the production of oocytes, and for the preparation of the uterus for pregnancy. The luteal phase is the second half of your menstrual cycle. However, only 10% to 15% of women have cycles that are exactly 28 days. Average menstrual cycle is about 28 days, but varies widely from person to person. The purpose of the first slide is for pupils to watch the clip from my girl guess the topic of the lesson.
The menstrual cycle is a complex series of physiological changes that occur in women of reproductive age on a monthly basis. Menarche usually occurs about two years after a womans breasts develop and between 4 and 6 months after the growth of their pubic and underarm hair. Menstrual cycle phases of menstrual cycle and menstrual. Understanding how your hormones work in each phase of your cycle is the key to maximizing your true potential in both your personal and professional life.
In general, the menstrual cycle occurs in two phases. A free powerpoint ppt presentation displayed as a flash slide show on id. The female reproductive hormones which rise and fall throughout the menstrual cycle, are known to affect numerous cardiovascular, respiratory, thermoregulatory and metabolic parameters, which in turn, may have implications on exercise physiology and. The menstrual cycle refers to the regular changes in the activity of the ovaries and the endometrium that make reproduction possible. Jul 15, 2018 fsh stimulates further development of a number of these into mature follicles at the start of the menstrual cycle rather than initiating the development as the video suggests. The verification of menstrual cycle phase istuations during the menstrual cycle on exercise perbased on an increase in progesterone from the follic formance is most likely to be found when testing is ular to the luteal phase to indicate that ovulation has conducted during those phases of the menstrual occurred. The menstrual cycle with all its complexities can be easily perturbed by environmental factors such as stress, extreme exercise, eating disorders, and obesity. Most show that mood is highest mid cycle, lowest perimenstrually. The menstrual cycle the menstrual cycle the function of the menstrual cycle is to provide a favourable environment for a fetus to grow. The menstrual phase is the first stage of the menstrual cycle. Because pregnancy hasnt taken place, levels of the hormones estrogen and progesterone drop. The menstruation cycle and its phases the process of menstruation starts by the shedding of the inside layer of the uterus endometrium along with bleeding. The exact timing of the phases of the cycle is a little bit different for every woman and can change over time. Jun 14, 2009 menstrual cycle slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
The luteal phase of the menstrual cycle is about the same length in most individuals mean 14. The four phases of your menstrual cycle nicole jardim. Ovarian cycle menstrual cycle it is a series of cyclic changes occurring in the reproductive tract of female with the periodicity of 28 days. Following ovulation, the ovarian cycle enters its luteal phase, illustrated in figure 1 and the menstrual cycle enters its secretory phase, both of which run from about day 15 to 28. Definition rhythmical series of physiological changes that occur in fertile women under the control of the endocrine system necessary for reproduction average length. Menstrual cycle biology and the menstrual cycle menstrual cycle is regulated by fluctuating levels of sex hormones these hormones produce certain changes in the ovaries and uterus humans are nearly unique among species in having a menstrual cycle other species of mammals have estrous cycles basic terms endometrium. The ovarian cycle, the menstrual cycle, and menopause. View and download powerpoint presentations on ovarian cycle ppt. Phases of menstrual cycle menstrual cycle scientific. These cycles occur concurrently and are coordinated over a 2232 day cycle, with an average length of 28 days.
The age of menarche in most north american women is around. If youre looking for an extensive and detailed guide to menstrual cycle phases, then you have come to the right place. Besides there is a wide range of presentation for both phases of the cycle. What is the physiology of a menstrual cycle in a normally. Find our complete video library only on osmosis prime. It occurs in the reproductive system of a female, specifically in the uterus and ovaries which are responsible to make pregnancy possible. The average cycle is 28 days, although it is perfectly normal to have a cycle that is as short as 21 days or as long as 35 days. The effects of menstrual cycle phase on physical performance.
This phase starts when an egg from the previous cycle isnt fertilized. Jan 28, 2019 the menstrual cycle refers to the regular changes in the activity of the ovaries and the endometrium that make reproduction possible. The 4 phases of the menstrual cycle are menstruation, the follicular phase, ovulation and the luteal phase. The corpus luteum produces progesterone which causes the endometrium to begin secreting various substances which make the uterus more receptive to implantation of a fertilised ovum.
The first menstrual cycle is referred to as a menarche. Unfortunately, women often view their cycles as a burden, and sometimes, theyre even perceived culturally to be some kind of a curse. The secretory phase of the menstrual cycle begins after ovulation when the ruptured graafian follicle develops into the corpus luteum. Stimulated by gradually increasing amounts of estrogen in the follicular phase, discharges of blood menses slow then stop, and the lining of the. Once the follicle has released its egg, the egg travels down the.
The first follicle that becomes fully mature begins to. It starts during puberty and stops permanently at menopause. At the beginning of the menstrual cycle, levels of fsh rise causing stimulation of a few ovarian follicles. Also, uterus starts preparation for another pregnancy.
Jul 19, 2012 normal menstrual cyclemean duration of the mc mean 28 days only 15% of range 25average duration of menses 38 daysnormal estimated blood loss approximately 30 mlovulation occur usually day 14 36 hrs after the onset of mid cycle lh surge 3. The normal menstrual cycle is a tightly coordinated cycle of stimulatory and inhibitory effects that results in the release of a single mature oocyte from a pool of hundreds of thousands of primordial oocytes. Length and timing of the cycle normal menstrual cycle 20 to 36 to 40 days. Most show that mood is highest midcycle, lowest perimenstrually. A matured egg follicle releases an egg from one of the ovaries. Aug 17, 2018 the menstrual phase is the first stage of the menstrual cycle. In this article we will focus on the reproductive hormones, the ovarian cycle and the uterine cycle. If youre looking for an extensive and detailed guide to menstrual cycle phases, then you. A variety of factors contribute to the regulation of this process, including hormones and paracrine and autocrine factors that are still being identified. As a general guideline, training with your menstrual cycle is broken down into a 4week period pun intended. Hormones control a womans menstrual cycle and this cycle is comprised of three distinct phases.
The end result is the production of an ovum and thickening of the endometrium to allow for implantation, should fertilisation should occur. Normal menstrual cycle during early follicular phase, secretion of lh occurs to a frequency of pulse from 60 to 90 minutes with a widening of pulse constant but variations on number of pulses. The proliferative phase is defined as the period of time from. The menstrual cycle is complex and controlled by many different glands and the hormones that these glands produce. Ovarian cycle follicular phase days 18 fsh and lh relatively high levels o stimulate. The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation and the luteal. During this phase, estrogen increases in order to stimulate follicle growth hence the name, follicular.
Menstrual cycles normally range from about 25 to 36 days. The description of the phases of the menstrual cycle below assumes a cycle length of 28 days. Day 1 is the first day of bright red bleeding, and the end of this phase is marked by ovulation. The menstruation cycle and its phases balanced concepts.
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