POWER OF ATTORNEY

The undersigned, as a Section 16 reporting person of Natera, Inc.
(the "Company"), hereby constitutes and appoints each of the
persons listed on Exhibit A attached hereto, the undersigned's
true and lawful attorney-in-fact to:

1. complete and execute Form ID and Forms 3, 4, and 5 and other
forms and all amendments thereto as such attorney-in-fact shall
in his or her discretion determine to be required or advisable
pursuant to Section 16 of the Securities Exchange Act of 1934 (as
amended) and the rules and regulations promulgated thereunder, or
any successor laws and regulations, as a consequence of the
undersigned's ownership, acquisition or disposition of securities
of the Company; and

2. do all acts necessary in order to file such forms with the
Securities and Exchange Commission, any securities exchange or
national association, the Company and such other person or agency
as the attorney-in-fact shall deem appropriate.

The undersigned hereby ratifies and confirms all that said
attorneys-in-fact and agents shall do or cause to be done by
virtue hereof. The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of
the undersigned, are not assuming, nor is the Company assuming,
any of the undersigned's responsibilities to comply with the
Securities Exchange Act of 1934 (as amended).

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4,
and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing delivered to the
Company and the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 25th day of November, 2020.



Signature:  /s/ Monica Bertagnolli
Name:   Monica Bertagnolli

EXHIBIT A

Daniel Rabinowitz
Jeffrey Thacker
Tami Chen