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We welcome any parent or guardian of multiple-born children, any expectant parent of multiples, and any parent or guardian of children born within six months to join the Twin Valley Mothers of Twins Club. All memberships are individual memberships. A majority of our members are located in the Tri-Valley; however, we have members in Hayward/Castro Valley area, Pleasant Hill/Walnut Creek, and Brentwood.

Steps to Join TVMOTC

Step 1: Provide us with your name and e-mail address.
Enter your full name, e-mail address, and the image text in the fields to the left. Once submitted, you will receive an invitation to join Twin Valley Mothers of Twins Club from Big Tent, our members-only communications site.

Step 2: Complete the new member form.
Click the link included in the invitation and complete the new member form.

Step 3: Choose your e-mail options.
Please review your e-mail options carefully. All options default to daily digest. Please make changes based on your personal preference. You can change your e-mail options at anytime.

Step 4: Send proof of identity.
In order to protect the integrity of the club and our membership, we ask for confirmation of your identity as a prospective new member. Please email a copy of either your driver’s license, birth certificate or passport to membership@tvmotc.org. Once this has been received, the club will proceed with approving your membership. If you have questions or concerns, you may email the same address and someone will contact you directly.

Step 5: Pay your dues upon membership approval.
The membership year is from January 1 - December 31. The new membership dues are $50. Dues are prorated throughout the year. You will be asked to renew your membership for the next membership year between July and December. If you do not renew your membership by the second Tuesday of September, you will pay a $5 late fee.

Current Membership Dues Prorate Schedule
Jan 1 - March 31 - $50
Apr 1 - June 30 - $44
Jul 1 - Sept 30 - $38 plus $50.00 renewal for the next membership year
Oct 1 - Dec 31 - $32 plus $50.00 renewal for the next membership year

You may pay your dues via PayPal, credit card or by personal check. Paying dues using PayPal or credit card will give you instant access to our online community. If you pay your dues with a personal check, your membership will not be activated until receipt of your check has been confirmed. This can take several weeks.


E-mail the Membership Chair at membership@tvmotc.org.


TVMOTC is a member of the National Organization for Mothers of Twins and the Northern California Association of Mothers of Twins.

Twin Valley Mothers of Twins Club |  P.O. 195 | Pleasanton, California  94566