Estimate Your Due Date For Free

Last Updated on 4 June 2024

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

DUE DATE RESULT

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 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:

Personalized Due Date Calculator

Unlock the journey of parenthood with our all-inclusive Due Date Calculator! Tell us the first day of your last period, and we will give you lots of helpful information. You will receive information that includes an estimated due date, when you likely conceived, how far along you are, and the best time for nuchal and morphology scans. Are you ready to embark on your journey? Calculate your due date now!

If you are trying to conceive and have not yet achieved pregnancy, our free tool can help you estimate your ovulation date.

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Frequently Asked Questions

How often do healthcare providers adjust due dates during pregnancy?

Due dates are typically adjusted if significant new information is available, such as changes in ultrasound measurements or other factors affecting the pregnancy. Your healthcare provider will communicate any adjustments.

What information is crucial for an accurate due date estimate?

Essential information includes the first day of your last menstrual period, the regularity of your menstrual cycles, and any ultrasound measurements taken during the early stages of pregnancy.

Can I estimate my due date if I have a history of preterm birth?

Estimating due dates in cases of previous preterm birth may involve additional monitoring and consideration of individual risk factors. Consult with your healthcare provider for personalized guidance.

Is it possible for the due date to change after the first trimester?

Due dates are generally more stable after the first trimester but can be adjusted based on additional information from later ultrasounds or other diagnostic tests.

Can stress or emotional factors affect my due date?

Stress and emotional factors can influence pregnancy, but they are not direct determinants of the due date. Maintaining emotional well-being is essential for overall pregnancy health.

How can I calculate my due date if my menstrual cycles are irregular?

Healthcare providers may use additional methods for women with irregular cycles, such as early ultrasound scans, to provide a more accurate due date estimate.

Is it possible to estimate my due date without knowing the first day of my last menstrual period?

While knowing the first day of your last menstrual period is the standard method, healthcare providers can use alternative methods, such as ultrasound, to estimate your due date without this information.

Can my due date be different if I have multiple pregnancies?

Yes, due dates for multiple pregnancies may differ due to variations in fetal development. Healthcare providers closely monitor each baby’s growth to determine the best estimate.

How does a healthcare provider calculate my due date?

Healthcare providers typically calculate due dates based on the first day of your last menstrual period, using a standard 280-day pregnancy term. Ultrasound measurements may refine the estimate.

Can my due date change during pregnancy?

Yes, due dates can be adjusted during pregnancy based on new information, such as ultrasound results. Your healthcare provider will communicate any changes.

What happens if I pass my due date?

If you go beyond your due date, your healthcare provider may monitor you closely and consider inducing labor if necessary for the health of you and your baby.

Are there any signs or symptoms that indicate the due date is approaching?

While the due date is an estimation, signs like the baby’s descent into the pelvis and the thinning of the cervix (effacement) may indicate that labor is approaching.

Can lifestyle factors influence the accuracy of due date estimates?

Certain lifestyle factors, like smoking and obesity, may impact the accuracy of due date estimates. Maintaining a healthy lifestyle can positively contribute to a more precise prediction.

How does the due date relate to the stages of pregnancy?

The due date marks the end of the 40-week pregnancy term and is typically calculated from the first day of your last menstrual period. It is a point of reference for tracking fetal development and pregnancy milestones.

Can I use my conception date to estimate my due date?

While conception dates are crucial, due dates are typically calculated based on the first day of your last menstrual period.

How accurate are ultrasound scans in estimating due dates?

Ultrasound scans are generally more accurate in estimating due dates, especially in the first trimester. They provide valuable information about fetal development that can refine the due date calculation.

Is it possible to estimate my due date if I have irregular periods?

Yes, but estimating due dates with irregular periods may be more challenging. Healthcare providers may use ultrasounds and other methods to refine the estimate based on individual circumstances.

Can the length of my menstrual cycle affect the accuracy of my due date estimate?

Yes, the length of your menstrual cycle can influence the accuracy of due date estimates. If you have irregular cycles, additional methods like ultrasound may be used to calculate more precisely.

How can I estimate my due date?

Estimating your due date is typically based on the first day of your last menstrual period (LMP). You can use online calculators and apps or consult your healthcare provider for a more accurate estimate.

Are due date calculators accurate?

Due date calculators provide an estimate based on the standard 40-week pregnancy term. While they offer a general idea, individual factors can influence accuracy. Always consult with your healthcare provider for personalized information.

Author Biography

Kerrie Richards

Dr. Kerrie Richards, a distinguished Obstetrician and Gynecologist, has dedicated her career to women’s health with a passion for guiding expectant mothers through the transformative journey of pregnancy. Beyond her professional accomplishments, Dr. Richards is a devoted mother of two sons, embodying firsthand the joys and challenges of parenthood. Her compassionate approach to patient care is deeply rooted in empathy and understanding, reflecting her own experiences as a mother.