Lmp Or Ovulation Date
Day 10 18 of the menstrual cycle on average is the most fertile phase of the menstrual cycle.
Lmp or ovulation date. If your menstrual cycle length is the average length 28 day cycle your menstrual cycle probably started about two weeks before you conceived. The accuracy of the edd derived by this method depends on accurate recall by the mother assumes regular 28 day cycles and that ovulation and conception occurs on day 14 of the cycle. On average ovulation occurs within the 4 days before or after the midpoint of a woman s menstrual cycle 14 days before the start of a woman s next menstrual period. If you don t know your ovulation date.
Then deduct 14 days average length of the luteal phase. If i go by my conception date assuming october 25 26 we. Enter last menstrual period lmp current gestational age ga or expected due date to determine the other two plus estimated date of conception. How to calculate your follicular phase.
In addition to paying attention to the physical signs of ovulation such as your cervix cervical mucous and basal body temperature you can track the probable dates by keeping track of your cycle. This is the method used by pregnancy wheels. Most women ovulate between the 10th and 20th day of their cycle provided they have a 28 day cycle. When to use patients who are pregnant or may be pregnant.
A free pregnancy calculator to calculate your due date. If i go by my ovulation date october 25th i d be due on july 18th. You should keep track of your lmp each month either electronically online or at home in a calendar. It is the first day that your last menstrual cycle began.
The lmp is the date of the first day of your last menstrual period. The most common way to calculate your pregnancy due date is by counting 40 weeks from the first day of your last menstrual period lmp. It is the first day that you see bright red blood not just a little brown spotting. Begin with the first day of your last period lmp and add your average cycle length.
And that s how most healthcare providers do it. Use your lmp and cycle length in our pregnancy calculator to discover your own pregnancy calendar.