IVF pregnancy due date calculator | When is your baby due?
A blue graphic representing an embryo

Pregnancy due date calculator for assisted conception

Congratulations on your pregnancy! Our due date calculator can help predict your estimated due date so that you can prepare for your baby’s arrival.

How to calculate your pregnancy due date

Whether you conceived via IVF or IUI treatment, or happened to fall pregnant naturally, our pregnancy calculator can work out when your little one is due:

  • If you conceived via in vitro fertilisation (IVF), via a fresh or frozen embryo transfer, just enter the date of your embryo transfer and indicate whether a Day 3 or Day 5 embryo was transferred into your womb;
  • If you conceived via intrauterine insemination (IUI), simply enter the date of your procedure;
  • If you conceived naturally, enter the first day of your last menstrual period instead.

Use the dropdown options below to enter your information. Once the calculator has crunched the numbers, it will reveal your estimated due date (EDD).

 

Conception type
Enter date of embryo transfer: 1
Select type of embryo transfer: 2
Enter date of IUI procedure: 3
First day of last menstrual period: 4
  1. The procedure date on which your fertility specialist transferred the embryo into your uterus. ↩︎
  2. An embryo is transferred into a woman’s uterus once it has reached a certain stage of development. This typically occurs on either Day 3 or Day 5 of embryo growth. Your fertility specialist and our embryology team evaluate several factors before determining if a Day 3 or Day 5 embryo transfer is best suited to you. ↩︎
  3. The date of your IUI procedure, when the specially prepared semen sample was placed directly (injected) into the uterus. ↩︎
  4. The date of natural conception is an estimate based on the first day of your last menstrual period. ↩︎
  • Will I really deliver on the calculated due date?

    Babies run on their own schedules. Some may be ready to meet the world as soon as possible, while others need an extra week or two to grow. Your obstetrician may also change your anticipated due date (i.e. potentially bringing it forward) for a variety of reasons as your pregnancy progresses.

    Although your EDD is calculated based on 38 weeks of pregnancy (the globally accepted time frame), most births in Australia occur between 38 to 40 weeks. So consider your EDD as more of a guideline rather than a hard and fast rule.1 Your obstetrician or midwife can provide you with a more detailed explanation while factoring in the specifics of your pregnancy.
    Reference:

    1. Australian Institute of Health and Welfare. Australia’s mothers and babies. Canberra (AU): AIWH; 2023.↩︎
  • Why are IVF and FET pregnancy due date calculations different?

    Typically, the EDD from a natural conception is calculated from the date of your last menstrual period. However, in the context of an IVF or FET cycle, the timing of your last menstrual period is no longer relevant. Instead, the date of your embryo transfer is used as a reference date to calculate your EDD.

  • What are antenatal appointments for during pregnancy?

    Antenatal appointments help support you and your baby’s health throughout your pregnancy. Various check-ups, tests and conversations will be scheduled with your healthcare practitioner at different stages of your pregnancy to monitor you and your baby’s health and wellbeing. These appointments also enable you to ask any questions you might have and seek advice from a qualified professional about your pregnancy experience.

    Your first antenatal appointment is generally scheduled 10 weeks into your pregnancy, along with an ultrasound to confirm your due date (known as a dating scan). During this scan, your sonographer will check your baby’s development and you’ll also be able to hear your baby’s heartbeat for the first time!

    Curious to learn more about your antenatal appointments? Take a look at this helpful timeline.

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Get in touch

For more information or to book an appointment with one of our fertility doctors, please call (03) 8080 8933 or email [email protected]. Fertility appointments can also be booked via our online booking page.

Our three Melbourne clinics are based in Box Hill, Clayton and East Melbourne and are open Monday–Friday: 8:00am–5:00pm. We welcome patients from all over Victoria, as well as those seeking care interstate or internationally. All fertility treatment requiring day surgery or lab access (e.g. egg collection, embryo transfer) will take place at our state-of-the-art treatment centre in Box Hill. Fertility consultations and IVF cycle monitoring can be arranged at all three Melbourne clinics.

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