What is the 'pregnancy line'?

Why would my pregnancy test lines be getting lighter? - Proov

Pregnancy and Pigmentation Changes

Linea nigra in pregnancy: when (and why) does it appear?

Linea Nigra and Pregnancy

Faint Positive Pregnancy Test: What Does It Mean?

What does a faint line on a pregnancy test mean? - Today's Parent

Why Faint Line After Some Time In Home Pregnancy Test

Linea nigra – the dark pregnancy line on my belly bump

Linea Nigra: Should I Be Worried?

Faint line on a pregnancy test- Are you pregnant? A fertility

What Are Pregnancy Tests Evaporation Lines

When was your test line as dark or darker than control

What Does a Faint Line on a Pregnancy Test Mean?