Diagnostics startups in San Francisco Bay Area

BillionToOne

Menlo Park

BillionToOne is a molecular diagnostics company focused on prenatal and oncology testing, backed by Y Combinator and $200M+ funding. It developed a DNA counter that raises cell-free DNA resolution, enabling single-gene disorder detection fr

Modern Fertility

San Francisco

**At-home fertility test for women who aren't ready for kids right now…** We're a women’s health company making personalized reproductive health information more accessible, earlier in life. We make the same laboratory tests that were prev