Periods and fertility in the menstrual cycle - NHS
ウェブThe menstrual cycle is the time from the first day of a woman's period to the day before her next period. Girls can start their periods anywhere from age 8 upwards, but the average is around 12 years. The average age for the menopause (when periods stop) in this country is 51.
Stages of the Menstrual Cycle - Healthline
ウェブ2018年8月17日 · The menstrual cycle is divided into four phases: menstrual phase. follicular phase. ovulation phase. luteal phase. The length of each phase can vary and change over time....
Menstrual cycle: What's normal, what's not - Mayo Clinic
ウェブ2023年4月22日 · The menstrual cycle is the monthly series of changes the body goes through to prepare for pregnancy. Each month, one of the ovaries releases an egg. This is called ovulation.
Menstrual Cycle (Normal Menstruation): Overview & Phases - Cleveland Clinic
ウェブThe menstrual cycle is a term to describe the sequence of events that occur in your body as it prepares for the possibility of pregnancy each month. Your menstrual cycle is the time from the first day of your menstrual period until the first day of your next menstrual period.
The Menstrual Cycle | Geeky Medics
ウェブ2011年5月18日 · The menstrual cycle is a complex series of physiological changes that occur in women of reproductive age on a monthly basis. The end result is the production of an ovum and thickening of the endometrium to allow for implantation, should fertilisation should occur.
Menstrual cycle - Wikipedia
ウェブ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 makes pregnancy possible. The ovarian cycle controls the production and release of eggs and the cyclic release of estrogen and progesterone.
Periods - NHS
ウェブA period is the part of the menstrual cycle when a woman bleeds from her vagina for a few days. For most women this happens every 28 days or so, but it's common for periods to be more or less frequent than this, ranging from every 23 days to every 35 days.
The menstrual cycle: Understanding your menstrual phases - Flo
ウェブYour menstrual cycle is more than your period. Find out about the different phases, how long they are, and why they can change.
The menstrual cycle - Coordination and control - BBC
ウェブThe menstrual cycle. A woman is fertile, on average, between the ages of 12 to 50. During these fertile years, a recurring process - known as the menstrual cycle - takes place each month. This...
Menstruation (Menstrual Cycle): Phases, What’s Normal
ウェブ2023年10月31日 · A menstrual cycle is a monthly process the female body goes through to prepare for pregnancy. Your brain and hormones (natural chemical messengers) tell your body how to react during each phase. Day one of your menstrual cycle begins with menstruation.
