OBS Calc -Pregnancy Calculator
Quickly calculate Estimated Delivery Date(EDD) and Gestation Age by Date & Scan
App info
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App description
Android App Analysis and Review: OBS Calc -Pregnancy Calculator, Developed by Stitch and Heal Inc. Listed in Medical Category. Current Version Is 6.6, Updated On 09/04/2025 . According to users reviews on Google Play: OBS Calc -Pregnancy Calculator. Achieved Over 159 thousand Installs. OBS Calc -Pregnancy Calculator Currently Has 2 thousand Reviews, Average Rating 4.5 Stars
A useful tool for quickly calculating estimated delivery date and gestation age using Ultrasound and Last Menstrual Period. Useful for medical students as well as experienced obstetricians for calculating dates accurately and quickly. Manually enter dates for a faster experience.We are currently offering version 6.6. This is our latest, most optimized version. It is suitable for many different devices. Free download directly apk from the Google Play Store or other versions we're hosting. Moreover, you can download without registration and no login required.
We have more than 2000+ available devices for Samsung, Xiaomi, Huawei, Oppo, Vivo, Motorola, LG, Google, OnePlus, Sony, Tablet ... with so many options, it’s easy for you to choose games or software that fit your device.
It can come in handy if there are any country restrictions or any restrictions from the side of your device on the Google App Store.
What's New
Updated material theme
Bug fixes
Bug fixes
Recent Comments
Dr.Anshuman Khobragade
Excellent App... Just need a setting to choose which calculating option a user want at home.. eg. i want calculate by lmp and calculate by usg date, i dont want other two options... so there should be an option in setting to hide other two options.. That will also give a minimialistic looks to app..
A Google user
Works well and quickly, ads are not too intrusive, and the ad free option is very reasonable. Really nice that it's easy to get edd, gestation age, LMP calculated by whatever the info the patient has.
A Google user
The app interface is compact and user friendly. Works smoothly and without any glitches. Also accurate. Must have for all obstetrics and gynaecology residents and interns!
A Google user
For checking EDD from previous exams with the previous exam date it is great. I had a patient who spoke limited English and all was on the script was EDD your app only has by LMP and previous exams. I was stuck needing her LMP but she couldn't tell me. So, it won't work in those instances.
Shivani Aarya
Everything is perfect but the cycle duration has set by default at 28 days which gives wrong estimated delivery date and Period of gestation. So please set the cycle duration by default at 29 days. Overall the app is good and i am using this app for last 1 year.
A Google user
3 stars less for bringing ads UPDATE: thanks for giving the option to disable ads. feature request: allow arranging the sequence of the sections.
A Google user
Hi its a very useful app for me. Thank u. But can u pls add a option to select date for which age of gestation is needed. Ex. Today is 22/5 i want to know the gestational age of a delivered baby on 20/4 to know if the baby is full term or pre term.. So if u can add a option to select the date on which gestational age is needed istead of only today it will be very useful. Thank u.
A Google user
It's a very good app it's useful to calculate different things ex. estimated delivery date. Thank you.