Does Due Date upload my file or text to Tool-You servers?

No. Due Date runs in this browser tab. Files stay on the device. Limit note: LMP required; cycle 20–45 days, default 28. Not advice.

Should I use Fetal Weight (Hadlock) instead of Due Date?

Use Due Date when you need Naegele due date from LMP. Use Fetal Weight (Hadlock) when you need Estimate fetal weight from BPD, AC, FL. They share a category (Health) but not the same job.

What are the limits of Due Date?

LMP required; cycle 20–45 days, default 28. Not advice. Also: LMP + 280 days, adjusted for cycle length vs 28. Also shows gestational age. Not medical advice.

Due Date

Naegele due date from LMP.

LMP + 280 days, adjusted for cycle length vs 28. Also shows gestational age. Not medical advice.

What Due Date does

LMP + 280 days, adjusted for cycle length vs 28. Also shows gestational age. Not medical advice.

This URL is only for Due Date (health · due date). Naegele due date from LMP. Other Health tools on Tool-You look similar in the chrome, so the job definition below is the part that belongs to Due Date alone: LMP + 280 days, adjusted for cycle length vs 28. Also shows gestational age. Not medical advice.

How to use Due Date

Confirm you need Due Date, not Fetal Weight (Hadlock) (Estimate fetal weight from BPD, AC, FL.). Address: /health/due-date.
Enter the numbers or dates Due Date uses. Naegele due date from LMP.
Read the result as Due Date defines it — not as Age Calculator (Years, months, and days from a birth date.). LMP + 280 days, adjusted for cycle length vs 28. Also shows gestational age. Not medical advice.
Due Date is an estimate in the browser, not professional advice. LMP required; cycle 20–45 days, default 28. Not advice.
Need a different formula? Try Age Calculator (Years, months, and days from a birth date.) instead of stretching Due Date.

When not to use Due Date

Skip Due Date when a neighbor tool matches better — start with Fetal Weight (Hadlock) or Age Calculator — or when the description already warns the job will fail. In the tool’s own words: LMP + 280 days, adjusted for cycle length vs 28. Also shows gestational age. Not medical advice.

Questions about Due Date

What does Due Date do that other Health pages on this site do not?: LMP + 280 days, adjusted for cycle length vs 28. Also shows gestational age. Not medical advice. Short version: Naegele due date from LMP.
Does Due Date upload my file or text to Tool-You servers?: No. Due Date runs in this browser tab. Files stay on the device. Limit note: LMP required; cycle 20–45 days, default 28. Not advice.
Should I use Fetal Weight (Hadlock) instead of Due Date?: Use Due Date when you need Naegele due date from LMP. Use Fetal Weight (Hadlock) when you need Estimate fetal weight from BPD, AC, FL. They share a category (Health) but not the same job.
What are the limits of Due Date?: LMP required; cycle 20–45 days, default 28. Not advice. Also: LMP + 280 days, adjusted for cycle length vs 28. Also shows gestational age. Not medical advice.