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Pregnancy Calculator

Calculate your baby's expected weight, length, due date, date of conception. Find out what's developing.

Pregnancy Wheel
How do you want to calculate your due date or gestational age?
Conception date
      (date of ovulation, egg retrieval, or insemination, IUI)
Date of 3-day embryo transfer (IVF)
Date of 5-day embryo transfer (IVF)
Due date by sonogram (reverse calculation)
First day of last menstrual period (LMP)


1. Hadlock FP et. al.,Fetal crown-rump length: reevaluation of relation to menstrual age (5-18 weeks) with high-resolution real-time US. Radiology. 1992 Feb;182(2):501-5.PMID: 1732970
2. Vintzileos AM, Campbell WA, Neckles S, Pike CL, Nochimson DJ.The ultrasound femur length as a predictor of fetal length.PMID: 6390277
3. Hadlock FP, et al., Estimating fetal age:Computer-assisted analysis of multiple fetal growth parameters. Radiology 1984; 152:497-5011. PMID: 6739822

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