Early Menstrual Cycle

Each cycle is divided into two parts - before ovulation and after ovulation, also known as the luteal phase. In a 28-day cycle, for example, the model can generally follow the example below:

Part One: The beginning of the cycle, called Day 1, is the day starts bleeding. The flow lasts about three to five days. Posted by Day 7, certain hormones cause some of the eggs in the ovaries begin to ripen. Between 7 days and 11, the lining of the uterus begins to thicken. The influence of hormones after Day 11 additional causes of egg that is most ripe to be released on about Day 14 in women who have a cycle of 28 days. The egg maturation others continue to grow and wither.

Part Two: The egg down the fallopian tube toward the uterus. If a single male sperm unites with the egg while it is in the tube, the fertilized egg may travel on and attach to the spongy wall of the uterus. Pregnancy begins if this implantation "occurs. If fertilization does not occur, the egg will break in a day or two. About Day 25, hormone levels drop. This causes the lining of the uterus to break down, and some days it is poured into a menstrual period. A new cycle has begun.

Many women experience cycles that are more than 28 days and so the example above will not be relevant. Cycles can vary in the first half of the cycle, the first day of menstruation to ovulation, ranging from 13 to 20 days in length. It is during this critical part of cycle part that fertilization can occur. These common circumstances as sickness, anxiety, physical exertion, and even abrupt changes in climate can sometimes disrupt a regular pattern by shortening it or extending it.

The second part of the cycle, the luteal phase, ovulation, the first day of menstruation, is about the same length in all women. The egg is released consistently 14 to 16 days before the onset of menstruation, regardless of the menstrual cycle of women.

Understanding your fertility signals

There are four ways you can keep track of where you are in your cycle, and combining them can help you in your natural family planning: