Due Date Calculator

Track your Pregnancy with Parentune

Due Date Calculator is an online tool to predict or know your baby’s expected arrival, a moment of joy you await. To prepare with love, determine your special due date or weeks of pregnancy & track every step as you grow.

First day of your last period

September 2026

Your average cycle in days

29 Days

23 days29 days35 days

Disclaimer: This tool is for informational purposes only.
It is important to consult your doctor/gynaecologist

What to Expect Each Trimester

See how your baby grows and how your body changes in each trimester.

1st Trimester

2nd Trimester

3rd Trimester

1st Trimester

2nd Trimester

3rd Trimester

How is My Due Date Calculated?

One of the most common ways of predicting a baby’s due date is using your last menstrual period’s (LMP) first day in the calculation.Since most pregnancies last around 40 weeks (or 38 weeks from conception), the best way to estimate your baby’s due date is to count 40 weeks (or 280 days) from your last period’s first day. You can also subtract 3 months from your last period’s first day and add 7 days to get your expected due date.Remember, the due date for a pregnancy is an estimate and not set in stone.

Doctor Q&As from Parents like you

do we bathe a newborn everyday? The due date is Jan end or Feb beginning according to 2 different doctors, meaning cold, winter months.

Dr. Nida Asif

Pediatrician

Hi Alka Sudhir Bhalla, First 24 hours after birth bathing is to be avo...read more

5 March is last LMP, according to this date,what is the due date time. or how many months are complete

Dr. Pooja Mittal

Gynaecologist

Hi Shabnam Proactive Mom Sweety, The expected due date is 12th dec . 6...read more

16 January was last lmp of manat. please confirm me ideal due date..

Dr. Pooja Mittal

Gynaecologist

Hi Shabnam Proactive Mom Sweety, Due date would be 23rd October accord...read more

hello ma'am doctor recommended me c section. it's my 2nd baby, meri due date h 6 September. doctor ne mujhe 23 ko c section Kaha h, baby weight is 3 kg. I just want to know ki ye early to nhi h, kyunki due date Kafi dur h

Dr. Pooja Mittal

Gynaecologist

Hi Shilpasurana, A delivery or cesarean section can be done 2 weeks be...read more

Mam my baby is in tranverse position I am 31 weeks pregnant now what to do mam will it creates some problems. my due date is 18 October but my doctor tell me he will do it on 1st October.

Dr. Pooja Mittal

Gynaecologist

Hi Mandira Bhardwaj, If it stays in transverse position, then it has t...read more

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Frequently asked Questions (FAQ's)

First off, don’t stress if you’ve gone past your expected due date, i.e. you’ve been exactly 40 weeks pregnant. While the pregnancy due date is calculated as 40 weeks from your last period’s first day, a normal pregnancy can be as short as 38 weeks and as long as 42 weeks. Remember, due dates are not set in stone, so it could be that the due date calculation was a bit off or your baby isn’t ready to come out yet. If your pregnancy goes into 41-42 weeks, it's called a late-term pregnancy. If your pregnancy is 42 weeks or longer, it is considered a postterm or a past-due pregnancy. In such cases, try to be patient, consult your Doctor, and keep an eye out for labor signs. Your Doctor may recommend inducing labor or coming in for weekly/biweekly visits and testing to ensure that your baby is healthy and developing properly.

Your estimated due date could change depending on various factors. A pregnancy can be 38 to 42 weeks long, and very few births occur exactly on the expected due date. Most babies are born within a week or two before or after the estimated due date. Consult your Doctor about your pregnancy due date.

The third trimester of pregnancy can be physically and emotionally challenging. Your baby's size and position might make it hard for you to stay comfortable. While you may think you are ready to hold your baby in your arms, your baby might not be ready as yet. Your baby 's brain is developing in the later weeks of pregnancy. Early-term delivery may lead to your baby getting into neonatal care. Pls remain positive as you look forward to your baby's birth. Do your research and relax.

Vaccines that are okay to be taken are influenza, Hepatitis B Vaccines that are not okay to be taken are MMR, Chickenpox, HPV Do consult your doctor before taking any vaccination