Discover your baby’s traits before birth

Will your baby have brown eyes, blond curls, or a sweet tooth just like you? Find out as early as 10 weeks with BabyPeek, the first and only genetic test of its kind.

BabyPeek is available exclusively as an add-on to UNITY Complete.
BabyPeek is not a medical test.
Eye color
Red hair
Curly hair
Light or dark hair
Hair thickness
Bitter taste
Asparagus odor
Sweet taste
Sweet vs. salty

Unlock 12 unique traits beyond gender

BabyPeek uses advanced technology to analyze well-known genetic factors that determine what traits a baby will most likely have. Much like a weather report, results are calculated as probabilities.

Already a UNITY patient?

If you’re already a UNITY patient, BabyPeek is available as a add-on from the UNITY portal to get exclusive insights into your baby's traits before birth.

How BabyPeek works

BabyPeek is available exclusively as an add-on to UNITY Complete, a prenatal test that screens for genetic disorders.

Ask your doctor to request a UNITY test kit, or confirm your doctor already offers UNITY

As early as 10 weeks, get mom's blood drawn for UNITY Complete

7-10 days later, get UNITY results in your patient portal, including baby’s gender and fetal risk
Instantly unlock 12 bonus traits with BabyPeek in the patient portal

What BabyPeek parents say

This was so fun to be able to see what my babies traits will most likely be! It will be interesting to compare the results after the baby is born. Definitely recommend BabyPeek as an added reveal moment for a fun memory during your pregnancy.


BabyPeek Parent

I love it! I love being able to see the possibilities of my baby’s traits!


BabyPeek Parent

This made me tear up! Thank you!


BabyPeek Parent

What a fun test! Much of the BabyPeek traits are similar to my other three children I have. So, a very accurate test, really impressed!


BabyPeek Parent

BabyPeek is just too cool. I can’t wait to see how accurate the results for traits are. So far the gender was correct according to my ultra sound!


BabyPeek Parent

I love that I can get a sneak peek before baby comes, it definitely helps with the anticipation!


BabyPeek Parent

I absolutely loved it - it really is a sneak peek at what your baby is going to be like.


BabyPeek Parent

I would suggest this to anyone! I love to have an idea of my babies traits to come.


BabyPeek Parent

Every trait that was given was exactly what my other kids looked like as well! I think this is super accurate and I think first time parents would love this!


BabyPeek Parent

We love BabyPeek! It gave us that extra little bit of info we were very curious about.


BabyPeek Parent

Powered by cutting-edge technology

BabyPeek is the only report that reveals your baby's traits before birth, enabled by BillionToOne's pioneering genetic testing technology. After you complete your UNITY screen, a medical prenatal test, we’ll use the same blood sample to explore your baby’s genetic traits—hidden in the DNA fragments in your blood.

Baby sleeping on mother's arm

Frequently asked questions

You can get a UNITY Complete screen as early as 10 weeks into your pregnancy, which gives you access to BabyPeek—all with just one maternal blood sample.

Your UNITY result is typically available 7-10 days after we receive your sample. Then, you can unlock BabyPeek directly in the patient portal.

No, BabyPeek is available only as an add-on to the UNITY Complete non-invasive prenatal test. UNITY Complete is routinely covered by insurance. After receiving your UNITY results, you will be able to access BabyPeek results directly in the patient portal. BabyPeek is free with a qualifying share to social media, or $99 without.

BabyPeek is available exclusively as an add-on to UNITY Complete (more on UNITY Complete below). The UNITY Complete test is covered by insurance, and we accept ALL insurance, including Medicaid. BabyPeek is an optional add-on to UNITY Complete for $99, which can be waived with a qualifying social media share. We recognize that every patient's insurance and financial situation is unique. We have a dedicated patient services team to support patient needs, including payment plans or financial assistance for those who qualify. If you have any questions or concerns with costs, please email us at or call us at 650-460-2551.

UNITY Complete is a non-invasive prenatal test (NIPT) that looks at your baby’s DNA for recessive and chromosomal conditions and is recommended to be offered for all pregnancies. Adding on BabyPeek unlocks optional insights into 12 unique traits about your baby. You can choose to unlock these additional results in the UNITY patient portal once your UNITY Complete screen has been processed.

BabyPeek results are a prediction of what traits your baby is most likely to have. They do not mean that your baby will have these traits with absolute certainty.

Get in touch with our prenatal experts.

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