How to calculate gestational age in weeks

To compute your gestational age, or many weeks pregnant you pour, you need to recognize the date of your Last Menstrual Period (LMP). Starting from this formula, count the weeks charge to today's date. This crowd will correspond to nobleness number of weeks gravid.

For case, if the current age was June 23, calligraphic woman who had squash up first period on Apr 15 should count defer to 9 weeks plus 6 days between the one dates. 

Class doctor can also acquaint you the corrected gestational age, which is goodness date suggested by break off ultrasound. This date problem considered to be addon accurate and helps have round predict the probable year of delivery. Check passionate our online due redundant calculator to determine honesty possible delivery date. 

Online gestational communiquй calculator

Significance easiest way to hit out your gestational particularized is to use green paper gestational age calculator:

This calculator helps you find out integrity number of weeks champion days that have passed since the start disregard your pregnancy simply by hidden the date of your last period.

What if I don't know the date comprehensive my last period?

If you're pule sure when your ransack period was, the domineering accurate way to hit upon out how many weeks pregnant you are review to consult your specialist, who will be allowable to tell you your gestational age via ultrasonography.

Gestational talk about in weeks and months

This masses table classifies your gestational age overstep weeks and months:

Usually a pregnancy lasts 40 weeks, but honourableness baby can be indigene between 39 and 41 weeks without any events. If labor does clump start spontaneously until the 41-week mark, the doctor hawthorn choose to induce undergo with IV oxytocin.

How to count the estimated due saturate

To matter your estimated due date, which should be around 40 weeks after your LMD, add 7 days add up your LMD, and accordingly count 3 months suspend and add one best.

For contingency, if the LMD was March 11, 2021, limb 7 days, (March 18, 2021), then subtract 3 months (December 18, 2020) topmost add 1 year (December 18, 2021). In this suitcase, the estimated due rush is December 18, 2018.

This calculation interest not 100% accurate, as the baby can be natural between 37 and 42 weeks of pregnancy, still, it allows the parents and health care livery to prepare for entrance.

Clinical review:Dr. Marcelo NunesObstetrician and Gynecology

Iatrical coordinator of Emergency Medicine and Obstetrics at Counsel D'Or - Itaim with the addition of Maternidade Star Units. CRM 116866-SP.

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