IG em semanas+dias
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
IG
About this calculator
The Gestational Age Calculator in weeks and days is a useful tool for pregnant women, helping to determine the exact gestational age of their baby. This information is crucial for medical follow-up and birth planning.
The formula used is simple and direct: Gestational Age (GA) in weeks is calculated by adding the number of days since the last menstruation to the number of days of pregnancy. However, it's essential to remember that this is only an estimate and the result may vary depending on individual factors.
It's recommended to use this calculator in prenatal consultations, during pregnancy follow-up, and also for birth planning. Additionally, it's essential to consult a doctor to get the most accurate and up-to-date gestational age assessment.
Frequently asked questions
How to use this calculator?
Just enter the number of days since the last menstruation and the number of days of pregnancy to get the gestational age in weeks and days.
What is gestational age?
Gestational age is the time the fetus has been in the uterus, counted from the last menstruation or conception. It's an important measure for medical follow-up and birth planning.
Why is it important to know the gestational age?
Knowing the gestational age is crucial for having a healthy pregnancy and planning the birth. Additionally, it's essential for medical follow-up and identifying potential health problems during pregnancy.