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PREGNANCY CALCULATOR

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Enter the date of the first day of your last menstrual period (LMP):

DUE DATE RESULT

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Probable date of conception:

 

Foetal Age Today:

 

Best date range for NT scan:

 

(12 weeks 3 days to 13 weeks 3 days)

Morphology Scan Date:

 

(19 weeks)

First Fetal Heart Tones by Doppler:

 

(11 to 12 weeks)

Best time to evaluate cervical length in patient with risk factors:

 

Best time for routine anatomy ultrasound:

 

(18 to 20 weeks)

Estimated Due Date:

 

 

Our Pregnancy Calculator allows users to display an estimation of schedule along with pregnancy related informations based on the provided date.

This calculator may be used to calculate the best date range to book a Nuchal Translucency Scan and Morphology Scan :

– NT scan may be performed between 11wks–13wks 6 days (CRL 45-84mm) however as individual babies grow slightly differently and to visualize the foetal bladder and heart the very best range is 12wks 3days to 13wks 3day – Morphology scan is best booked after 19wks but before 22wks.

What is a nuchal translucency scan?

A nuchal translucency scan is part of the ultrasound scan that most pregnant women have at around 12 weeks of pregnancy. If you decide to have the scan, the health professional performing the ultrasound will measure the size of the nuchal fold at the back of your baby’s neck.

What does a nuchal translucency scan look for?

The scan looks at and measures the thickness of your baby’s nuchal fold, a fold of skin on the back of your baby’s neck. Increased thickness might indicate a chromosomal abnormality, but it doesn’t tell you that your baby definitely has, or doesn’t have, an abnormality. The results will tell you if your baby is at high risk or low risk of chromosomal abnormality in comparison to the general population.

What is an morphology scan and what does it look for?

The morphology scan is a detailed ultrasound scan that looks at your baby’s body and observes the position of the placenta, the umbilical cord, the amniotic fluid around your baby, and your uterus and your cervix. It is also known as a ‘anomaly scan’ or a ‘18-20 week scan’.

The sonographer will measure the baby and use these measurements to confirm the expected date of birth.

The sonographer will also check to see if your baby has any abnormalities in their growth or development, including in their heart, stomach, kidneys and limbs. It is important to know that while many abnormalities are picked up by this scan, not all of them are.

The sonographer can often tell if you are having a boy or a girl, with about 95% accuracy. If you prefer to wait until the birth to find out the sex of your baby, it’s a good idea to ask the sonographer not to mention it.