If my period comes on the 28th, which day is the ovulation period?

Ovulation is a physiological cycle that women have every month. During this period, the female reproductive system will release an egg. If the egg can successfully combine with the sperm, then the woman can successfully conceive. For this reason, many women who are preparing for pregnancy will calculate their ovulation period to increase the success rate of conception. So, if my period comes on the 28th, which day is my ovulation period?

If your menstrual cycle is regular, with menstruation occurring every 28-30 days, and you have your period on the 28th of this month, then your ovulation period will be on the 14th of next month. The 4-5 days before and after the ovulation period are the time when it is easy to get pregnant, which is the dangerous period. It is not easy to get pregnant if you have sex outside of this time, which is the safe period. Usually, the calculation of the ovulation date requires estimating the time of the next menstrual bleeding based on the menstrual cycle. The ovulation date is 14 days before the time of the next menstrual bleeding. Using the safe period method for contraception is usually not very effective because the failure rate is as high as 20%. Women's ovulation is easily affected by factors such as sexual life, emotions, environment, and the use of contraceptives, resulting in early or late ovulation, and sometimes extra ovulation.

If you have your period on the 28th and if your menstruation is regular, then you should start counting from the first day of your period, which is the 28th. The first seven days and the last eight days are the safe period. The so-called safe period contraception refers to calculating a period of infertility based on the female ovulation period and the survival time of sperm and eggs in the female reproductive tract. Therefore, sexual intercourse is chosen to take place during this period to achieve the purpose of contraception. Generally speaking, the egg can survive for 1 to 2 days after being released, and the sperm can survive in the female reproductive tract for 2 to 3 days. Therefore, if you have sex 2 to 3 days before ovulation, or 1 to 2 days after ovulation, you may become pregnant. This period is called the fertile period.

Ovarian ovulation usually occurs within 2 days before or after the 14th day of menstruation, so the safe period is approximately within 10 days after menstruation, and from the 20th day after menstruation to the next menstruation. The closer to the menstrual period, the greater the possibility of contraception. However, this calculation method is often unreliable because the time of female ovulation is affected by factors such as the external environment, climate, her own mood, and health status, which may result in delayed or early ovulation, and extra ovulation may also occur. In addition, there is no final conclusion on the longest survival time of sperm and eggs in the female reproductive tract. Therefore, the safe period cannot be calculated accurately, so it is unsafe to use contraception during the safe period.