What is the Full Form of LMP

LMP: Last Menstrual Period

LMP stands for the Last Menstrual Period. The last menstrual period is the date on which the most recent menstrual period of any woman started. For example, if the recent menstrual period began on 1st April, then in such a case last menstrual period will also be 1st April.

Typically, the menstrual cycle period ranges from 21-35 days and on the first day of any menstrual cycle, red bleeding starts and signifies and helps the women in knowing that it is the first day of the process.

Uses of Last Menstrual Period (LMP)

1. To determine the occurrence of the next period

If a woman wants to calculate the date of her next period, then in such a case, she may calculate the days between the first day of bleeding and the day before the subsequent bleeding occurs.

In a usual scenario, a menstrual cycle period ranges from 21-35 days. So calculating the days for the next cycle, the last menstrual period, or the start of the previous menstrual cycle becomes essential.

2. To calculate the time frame in which the ovulation may occur

Sometimes it becomes essential for the woman to know the time frame in the menstrual cycle in which the eggs can ovulate. This time frame can be calculated only if someone knows the duration of her menstrual cycle, as in most cases, the ovulation can take place in the middle days of the menstrual cycle. For example, if any woman's menstrual cycle is 30 days, then her ovulation period usually will be on the 15th day of the menstrual cycle.

If, on the 15th day of the cycle, the fertilization of the egg does not occur, then in such a case, the egg disintegrates.

3. To calculate EDD (Expected Date of Delivery)

If a woman is pregnant and wants to find out her expected date of delivery, then, in that case, the last menstrual period (LMP) becomes fundamental. To calculate the expected delivery date or period in which labour pain may occur during the pregnancy, 280 days are added to the last menstrual period (LMP), and the date which will come after the addition of 280 days will be the expected date of delivery.

But, the accuracy of this method of conception as to the expected delivery date is not as good as what we do with ultrasound.