The drop in progesterone levels causes the lining of the uterus to fall away. This is known as menstruation. The cycle then repeats. This page has been produced in consultation with and approved by:. Alcohol is responsible for most drug-related deaths in the teenage population. Androgen deficiency in women and its treatment is controversial, and more research is needed.
It is helpful to imagine assertiveness as the middle ground between aggression and passivity. IVF in-vitro-fertilization and ICSI intracytoplasmic sperm injection are assisted reproductive treatment ART procedures in which fertilisation of an egg occurs outside the body. Asthma affects about one in ten teenagers in Australia. Content on this website is provided for information purposes only. Information about a therapy, service, product or treatment does not in any way endorse or support such therapy, service, product or treatment and is not intended to replace advice from your doctor or other registered health professional.
The information and materials contained on this website are not intended to constitute a comprehensive guide concerning all aspects of the therapy, product or treatment described on the website. All users are urged to always seek advice from a registered health care professional for diagnosis and answers to their medical questions and to ascertain whether the particular therapy, service, product or treatment described on the website is suitable in their circumstances.
The State of Victoria and the Department of Health shall not bear any liability for reliance by any user on the materials contained on this website. Skip to main content. Reproductive system - female. Home Reproductive system - female. Menstrual cycle. Actions for this page Listen Print. Summary Read the full fact sheet. On this page. Hormones and the menstrual cycle Phases of the menstrual cycle Common menstrual problems Where to get help. Hormones and the menstrual cycle The menstrual cycle is complex and is controlled by many different glands and the hormones that these glands produce.
Phases of the menstrual cycle The four main phases of the menstrual cycle are: menstruation the follicular phase ovulation the luteal phase. Menstruation Menstruation is the elimination of the thickened lining of the uterus endometrium from the body through the vagina. Follicular phase The follicular phase starts on the first day of menstruation and ends with ovulation. The luteal phase starts after ovulation and ends with the first day of your period. It lasts approximately 12 to 15 days. During this time, your body produces progesterone.
This causes your uterine lining to thicken in preparation for implantation and pregnancy. This causes your uterine lining to shed, signaling day one of your new menstrual cycle. Tracking your period can be as simple as writing down when your flow starts and ends on a calendar.
There are also free apps that allow you to record this information on the go. Consider checking out:. The more you log, the more these apps can tell you about predicted menstruation dates, your fertile window, and more.
Although occasional changes are often tied to stress and other lifestyle factors, consistent irregularity may be a sign of an underlying health condition. Tracking your menstrual flow and other symptoms that occur throughout your cycle can help your provider determine the underlying cause. You know that feeling when you realize your upcoming camping trip or week at the beach coincides with your next period?
Menstruation can happen at the…. Severe, painful period problems are not just "part of being a woman. What should you wear if you have a yeast infection? How often should underwear be replaced?
Whatever your…. How late is too late for a period to come? We'll break down how to know if it's late or just not coming this month and some common reasons why. For most menstruating people, period cravings are just a part of life.
Here's a look at why they happen, whether they're a sign of pregnancy, and how…. Anyone with a period may be looking for a sustainable way to manage menstruation. Read on to see if a menstrual cup like the DivaCup is right for you.
The menstrual cycle is the monthly series of changes a woman's body goes through in preparation for the possibility of pregnancy. Each month, one of the ovaries releases an egg — a process called ovulation. At the same time, hormonal changes prepare the uterus for pregnancy.
If ovulation takes place and the egg isn't fertilized, the lining of the uterus sheds through the vagina. This is a menstrual period. The menstrual cycle, which is counted from the first day of one period to the first day of the next, isn't the same for every woman.
Menstrual flow might occur every 21 to 35 days and last two to seven days. For the first few years after menstruation begins, long cycles are common. However, menstrual cycles tend to shorten and become more regular as you age. Your menstrual cycle might be regular — about the same length every month — or somewhat irregular, and your period might be light or heavy, painful or pain-free, long or short, and still be considered normal.
Within a broad range, "normal" is what's normal for you. Keep in mind that use of certain types of contraception, such as extended-cycle birth control pills and intrauterine devices IUDs , will alter your menstrual cycle. Talk to your health care provider about what to expect. When you get close to menopause, your cycle might become irregular again.
However, because the risk of uterine cancer increases as you age, discuss any irregular bleeding around menopause with your health care provider. To find out what's normal for you, start keeping a record of your menstrual cycle on a calendar.
Begin by tracking your start date every month for several months in a row to identify the regularity of your periods. For some women, use of birth control pills can help regulate menstrual cycles. Treatment for any underlying problems, such as an eating disorder, also might help. However, some menstrual irregularities can't be prevented. There is a problem with information submitted for this request. Sign up for free, and stay up-to-date on research advancements, health tips and current health topics, like COVID, plus expert advice on managing your health.
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