Story highlights New Zealand 29-0 France in women's final

Black Ferns first side to retain title

(CNN) New Zealand won the women's Rugby World Cup Sevens in San Francisco by defeating France 29-0 in Saturday's final.

Michaela Blyde stole the show with a hattrick -- ending the tournament with nine tries in total -- while Portia Woodman and Tyler Nathan-Wong also got on the scoresheet in what proved to be a comfortable victory.

It means the Blacks Ferns retain the title they won in Moscow in 2013, the inaugural women's World Cup having been won by Australia in 2009.

Haka: the @BlackFerns perform spine tingling Haka after winning the #RWC7s for a second time pic.twitter.com/o6k3kgUQxO — Rugby World Cup Sevens (@WorldRugby7s) July 22, 2018

"It's an amazing day," said captain Sarah Goss. "France are a quality team and for them not to score against us is a proud effort from the sisters.

"We had one goal and that was to take the trophy back and I can't wait to go home and show it to the New Zealand public."

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