Comprehensive gestational age & pregnancy weeks toolkit
About Obstetric Calculator
Obstetric Calculator is a medical app developed by drahba.
Download Statistics
Obstetric Calculator has been downloaded 2.4 thousand times. In the last 30 days, the app was downloaded 300 times.
User Ratings
The app has no ratings yet.
App Information
Obstetric Calculator is FREE to download. The APK download size is 3.98 MB. The latest version available is 1.47. The last update was on May 12, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play February 2025.
Description
Easy to use multi-function tool for quickly calculating gestational age and estimated delivery date (EDD) with several input types. App is created to replace the plastic or paper ob wheel (or obstetric wheel) which has tendency to be inaccurate for several days. App is designed for healthcare professionals including obstetricians, gynecologists, midwives, and other healthcare providers. Calculation of due date/estimated date of delivery (EDD) swift and intuitive with inputs such as last menstrual period, ultrasound measurements, In-Vitro Fertilization (IVF) and others. There is no year entry/selection for date input, the year is determined by the app. As a result, entering dates becomes significantly quicker. Length of the menstrual cycle can also be adjusted.
App can create a date timeline and calculate dates from template. It can calculate estimated fetal length and estimated fetal weight for respective gestational age. Templates for gestational weeks and timelines can be edited in the settings. There are several other computations which include pregnancy terms, milestones, baby fruit/veg size, zodiac for EDD, and gestational terms.
Maternity leave calculations can be made through date timelines and user weeks in all of the date calculation modules. In the review module maternity leave can be calculated retrospectively.
Languages supported include English, Spanish, Turkish, German, French, Italian, Portuguese.
App modules to calculate due date and gestational age: 1) Last menstrual period: Calculations are based on the last menstrual period. 1) Ultrasound measurements: Ultrasound measurement result as weeks and days used for calculations 2) Crown-rump length (CRL): CRL measurement result as mm used for calculations 3) In-vitro fertilization(IVF): Embryo transfer date and the age of the embryo in days used for calculations 4) Due date: EDD is used for LMP and other calculations 5) Head circumference (HC) 6) Symphysis fundal height (SFH) 7) Transcerebellar diameter (TCD) 8) Discrepancy calculation: Calculates the difference and degree of discrepancy between LMP and ultrasound measurements 9) Review: Can be used after delivery for retrospective calculations
Other modules include: 1) Due date counter: Save multiple patients for easy retrieval, Include extra notes in patient data, Export/import your saved data as sqlite3 database, exported database can be edited on the desktop, saved data can be thoroughly searched. Can track your gravids with this module easily. 2) Scores: Bishop scoring, APGAR scoring, VBAC scoring, Reeda scale scoring 2) hCG doubling time 3) Institute of Medicine (IOM) weight gain: track weight gain during pregnancy according to body mass index (BMI) and calculate BMI 4) Body mass index (BMI) calculation 5) HOMA-IR (Homeostatic Model Assessment for Insulin Resistance) calculation 6) Convert HbA1c to estimated average glucose and classify HbA1c 7) Settings
Application works offline and ad-free with rewards! When rewarded ads are watched banner ads disabled for 10 and can be topped up by 10 days. Only banner ads are present in the application interface at the top of the window. Easily copy calculation results to clipboard by tapping on them. Moreover screen can also be shared as image without ads.
Disclaimer All information, content, and material of this app is for informational purposes only and are not intended to serve as a substitute for the consultation, diagnosis, medical advice and/or medical treatment of a qualified physician or healthcare provider.
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