Accurate ultrasound dating conception

Posted by / 11-Sep-2019 16:30

So, if you’re wondering “how pregnant will I be” by the time you miss your first period, a doctor would inform you that you are one-month pregnant.

Unfortunately, if you’re waiting for your first missed period, asking yourself “Have I conceived?

Generally, most doctors date a pregnancy based on your last menstrual period (LMP).

If you have a regular cycle (around 28 days), you can estimate that ovulation took place around day 14 of your cycle.

Even though it can be hard to determine when exactly you ovulate, it is possible to use your body’s clues to understand if ovulation is about to occur.

If you’re trying to calculate how pregnant you are, or wondering what cycle day did you conceive, you can think back to when you may have experienced ovulation symptoms.

If you’re wondering “when did I conceive and how many weeks am I,” one of the best clues is to use the date of your last known period.

On the flipside, if you’re asking “when did I conceive based on how far along I am,” you should know that you can count backward to your last period to determine a possible conception date.

And because no woman’s body is a clock, and ovulation occurs on different days each cycle, it’s easy to be unsure of conception date. The most common way doctors date a pregnancy is off the date of your last period.

On the other hand, can you get pregnant right before your period? That’s because after ovulation comes the luteal phase of the menstrual cycle — the time when your body is preparing for a possible pregnancy, but also menstruation if a pregnancy has not occurred.

During the luteal phase, a fertilized egg would implant in the uterus and hormones would work to help the start of a pregnancy.

This article was co-authored by Carrie Noriega, MD. Noriega is a Board Certified Obstetrician & Gynecologist in Colorado.

She completed her residency at the University of Missouri - Kansas City in 2005.

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