Why Your LMP Matters

LMP

Most doctors and nurses that you will talk to throughout your pregnancy will want to know the date of your last menstrual period, or LMP.

What's so important about your LMP?

Well, most pregnant women aren't sure of the actual date of conception (when the egg was fertilized). Unless you are charting your cycle each month, it can be very difficult to pinpoint the specific date. But if you know the date of your LMP, that can give a ballpark range of when you likely conceived. Why? The typical menstrual cycle (from period to period) lasts about 28 days, and ovulation usually occurs around day 14. So if you know the date of your LMP, then the doctor can reasonably estimate the date you conceived, which then helps determine your due date.

You may have some questions about your LMP:

1. What if I have irregular cycles (shorter/longer than 28 days)?

2. What if I don't remember my LMP?

These questions are not uncommon. In fact, you might be surprised by how many women have irregular menstrual cycles or don't remember when their last period was. If this is you, it's okay! 

Ultrasounds are another very helpful and accurate way to determine due dates. Early on in pregnancy, fetal development is fairly standard, which means that a sonographer can determine how far along you are and predict your due date based on the size of the fetus. Whether you are considering parenting, abortion, or adoption, knowing how far along you are is critical.

Even if you don't know the date of your LMP, schedule an appointment with Birth Choice to take our free medical-grade pregnancy tests. We can confirm your pregnancy with a nurse and perform a free ultrasound* (either that same day or schedule one for a future date) to help determine how far along you are and what your due date is. 

Call Birth Choice at 214-631-2402 or schedule your appointment online.

* Performing ultrasounds is determined by our medical staff.

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Friday, 18 October 2019
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