Prenatal tests & screening

A detailed head-to-toe ultrasound around the halfway point of pregnancy — and the most important imaging study of the entire 40 weeks.

A clear answer on what amniocentesis actually involves, what it can tell you with certainty, and what it can't — so you know what you're deciding before you decide.

This explains what carrier screening actually tests for, what it means to be a carrier, and what your options are if you and a partner both carry a change in the same gene.

An early, diagnostic look at your baby's chromosomes — taken from placental tissue between 10 and 13 weeks, with a small but real risk that makes it a choice rather than a routine step.

A single early ultrasound measurement usually settles your due date more reliably than counting from your last period — here's how the dating scan works, how accurate it really is, and what it can and can't tell you.

This settles what first-trimester combined screening actually tests for, when it happens, and what a higher-chance result does and doesn't mean for your specific pregnancy.

This explains what the glucose tolerance test checks for, how the one-step and two-step versions differ, and what your results actually mean.

This explains what a group B strep test checks for, why it's done late in pregnancy, and what a positive result actually means for your birth plan.

A simple blood draw that screens for the most common chromosomal conditions — and tells you biological sex earlier than any other method.

What the quad screen checks for, when it's done, and what a high-risk or low-risk result actually tells you about your pregnancy.