About the journal

Useful information.
Room for uncertainty.

2Lines Journal is published by the team behind Pregnancy Test Checker 2Lines, an iPhone app for reviewing visible lines in test photos.

Who writes these guides?

The 2Lines editorial team creates these articles with AI assistance and checks cited product details against the linked instructions. We do not claim medical qualifications or clinician review for these articles. They provide general education, not individualized advice.

How we use sources

We prioritize the leaflet for an exact test, official manufacturer information and public-health references. When instructions apply to a particular model or country, we identify that scope. A brand name alone is not enough to transfer instructions from one product to another.

Dates show when content was published or substantively updated; we do not change a date simply to make an article look new. If your supplied leaflet differs from an article, follow the leaflet and seek clarification from the manufacturer.

Our relationship to the app

This is a first-party 2Lines publication. Articles link to our own app, which has in-app purchases. Those links are commercial promotion, not an independent recommendation or manufacturer endorsement. Check the current App Store listing, pricing and in-app disclosures before using it.

Images and examples

The still-life images are AI-generated editorial illustrations with blank test windows. They are not clinical examples, real customer tests, product photographs of the brands discussed or evidence of accuracy. We do not invent customer testimonials, medical review credentials, test outcomes or performance percentages.

Corrections and contact

For a correction, include the article URL, the specific statement and an authoritative reference. Use our support inquiry form. Do not send private test photos or medical details as an editorial correction.

For questions about your own health or result, speak with a healthcare professional. For how this website handles browsing data, see website privacy.