Prepare for the fourth trimester before it begins.

As a prenatal member, the entire space is yours — the community, the experts, the amenities, and the calm.

Prenatal

How it works

Choose Your Membership

We offer a monthly prenatal membership or a drop-in pass designed to fit where you are in your pregnancy and how much support you're looking for.

Get Your Access Code

Once you join, you'll receive a personal membership code in your welcome email. This code is your key to everything — use it to access the activity schedule, reserve evening fitness classes.

Book Your First Visit

Check the live prenatal schedule, choose your arrival window, and come in. You don't need to sign up for individual activities — just show up in the window that works for you.

View the Prenatal Schedule here.

Evening Prenatal Fitness Classes

Evening classes are included in your membership and held to a comfortable size, so we recommend reserving your spot in advance with your membership code.

Book here.

What's Included in Your Membership

Every prenatal membership gives you full access to the sanctuary and everything inside it.

  • Cozy nap rooms for true rest

  • Private showers — wash your hair, take your time

  • On-site café for nourishment

  • Community lounges to connect with other mamas

  • Dedicated workspace if you need to get things done

  • Fireside chats with rotating perinatal experts

  • Evening prenatal fitness classes (reserve with your membership code)

  • First expert consultation complimentary

Prenatal Memberships

Prenatal care is health care — which is why we accept HSA and FSA payments.

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One Month Unlimited Membership

$75

Build your community before the baby comes. Unlimited access for a full month — classes, chats, amenities, and the people you'll still be texting when the baby is three months old.

One Fitness Class

$30

Try us out. One class, no commitment.

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Why Prenatal Moms Come Here

Most pregnancy care is transactional — appointments, checkups, the next thing on the list. This is something different.

Fourth Tri is where you slow down, find movement that actually works for your body, get real answers from real experts, and meet women who are right where you are. You'll leave each visit more prepared — and less alone.

Where motherhood begins with intention rather than isolation.

Additional Services

Add-on services to enjoy during your stay. Membership not required.

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Prenatal Expert Partners

Onsite one-on-one appointments with the experts you actually need — pelvic floor, mental health, lactation, and more. Membership not required.

Not ready for a private appointment? Our prenatal experts join weekly Fireside Chats Monday through Friday — included with your membership and open to anyone following a drop-in class.

Please note: Practitioners collect their own payments. Refer to individual bios for accepted payment methods.

The essential gift for new moms