# Perinatal Calculators

> Obstetrical and perinatal calculators for healthcare providers, offline functionality. (iPhone/iPad app by David Deschamps.)

- Source: https://appshunter.io/ios/app/perinatal-calculators/id959395503 (this page in markdown: same URL + `.md`)
- Developer: [David Deschamps](https://appshunter.io/developer/959395502)
- Category: Medical
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 2 MB
- Languages: English
- Released: 2015-01-31
- Data updated: 2026-06-12
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/perinatal-calculators/id959395503/reviews.md

## What is Perinatal Calculators?

Perinatal and obstetrical calculators derived from published data to help guide obstetrical providers in counseling patients.  Calculators include:

-Extreme prematurity calculator for fetuses 22-25 weeks gestational age
-VBAC success calculator based on information available for counseling in the office setting
-VBAC success calculator based on factors on admission including cervical exam
-Assessment of risk of having a child with Down Syndrome
-Insulin calculation for initiating insulin in a gestational diabetic 
-CVR calculator for CCAMs
-MCA doppler MOM calculator
-Umbilical artery doppler reference range calculator
-Preterm VBAC calculator
-Insulin adjustment for corticosteroids calculator

DOES NOT REQUIRE INTERNET CONNECTION to use, all done locally on iPhone or iPad

## Key features

- Extreme prematurity calculator
- VBAC success calculators
- Down Syndrome risk assessment
- Gestational diabetes insulin calculation
- CCAMs CVR calculator
- Offline functionality


## Frequently asked questions about Perinatal Calculators

### What is Perinatal Calculators used for?

Perinatal Calculators offers a suite of obstetrical and perinatal tools designed to assist healthcare providers in counseling patients. It covers areas such as assessing the risk of extreme prematurity, Down Syndrome, and managing gestational diabetes.

### Does Perinatal Calculators require an internet connection?

No, Perinatal Calculators does not require an internet connection to use. All calculations are performed locally on your iPhone or iPad, ensuring accessibility even without connectivity.

### What specific calculators are included in Perinatal Calculators?

The app includes calculators for extreme prematurity, VBAC success (two versions), Down Syndrome risk, gestational diabetes insulin, CCAMs CVR, MCA doppler MOM, umbilical artery doppler reference range, preterm VBAC, and insulin adjustment for corticosteroids.

### How accurate are the calculations in Perinatal Calculators?

The calculators are derived from published data, aiming to provide guidance for obstetrical providers in counseling patients. The app has a high user rating of 5.0 stars from 2 ratings, indicating positive user sentiment regarding its utility.

### Is Perinatal Calculators suitable for all devices?

Perinatal Calculators is available for iPhone, iPad, and iPod. It is designed to run on Apple's mobile operating systems.

### How often is Perinatal Calculators updated?

The latest version of Perinatal Calculators is 7.4, last updated on February 4, 2025. This indicates a commitment to maintaining and improving the application.

### What is the age rating for Perinatal Calculators?

Perinatal Calculators has an age rating of 4+, making it appropriate for a wide audience of healthcare professionals.

### Does Perinatal Calculators have ads?

No, Perinatal Calculators does not contain advertisements. It is a free application without any in-app purchases or ads.

## Version history (last 5 releases)

### 7.4 — 2025-02-04

Fixed compatibility issue when dark mode is enabled in iOS.

### 7.3 — 2025-02-02

Updated privacy practices and code for new iPhone and iPad sizes.

### 7.2 — 2017-01-05

Fixed issue with VBAC prediction calculator for the office.

### 7.1 — 2016-11-30

MCA doppler and insulin calculator fixes

### 7 — 2016-11-27

New preterm VBAC and Insulin adjustment for administration of corticosteroids calculators.

## Apps similar to Perinatal Calculators

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [SOGH: OB/GYN Resource Center](https://appshunter.io/ios/app/sogh-obgyn-resource-center/id1618965828) | 4.8 (4) | Free | Medical |
| [Birth Weight Percentile](https://appshunter.io/ios/app/birth-weight-percentile/id6739343771) | 5.0 (4) | Free | Medical |
| [VBAC Calculator - Predict success rates for vaginal birth after cesarean](https://appshunter.io/ios/app/vbac-calculator-predict-success-rates-for-vaginal-birth-after-cesarean/id1113088441) | 4.5 (10) | $2.99 | Medical |
| [Gynecology & Obstetrics Signs](https://appshunter.io/ios/app/gynecology-and-obstetrics-signs/id6744246638) | — | Free | Medical |
| [Obstetric Urgency/Emergency](https://appshunter.io/ios/app/obstetric-urgencyemergency/id1556242775) | — | $3.99 | Medical |
| [OB Wheel & EDD Calculator](https://appshunter.io/ios/app/ob-wheel-and-edd-calculator/id6742823689) | — | Free | Medical |

## More apps by David Deschamps

- [cfDNA PPV Calculator](https://appshunter.io/ios/app/cfdna-ppv-calculator/id6759178792)
- [Fetal Growth Trajectory](https://appshunter.io/ios/app/fetal-growth-trajectory/id6759808382)

All apps by David Deschamps: https://appshunter.io/developer/959395502

## Related topics

[vbac calculator](https://appshunter.io/ios/topics/vbac-calculator) · [obstetrical calculator](https://appshunter.io/ios/topics/obstetrical-calculator)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-12.*