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Brazil鈥檚 Mayra Bueno Silva, who defeated sa国际传媒官网网页入口鈥檚 Holly Holm by second-round submission on a July 15 UFC card in Las Vegas, Nevada, tested positive for a banned substance in advance of that fight.

What that means for Holm is unclear after the Nevada Athletic Commission rendered no decision at its meeting on Thursday. But in all likelihood the best Holm could hope for is having the fight declared no contest, removing a loss from her current record of 15-7.

Bueno Silva (11-2-1) announced on Instagram on Monday that she鈥檇 tested positive, attributing the result to a substance she has taken regularly for ADHD.

鈥淚 want to begin by saying I have never in my life taken a substance to enhance my ability in or outside the cage,鈥� she wrote.

Bueno Silva said she would offer documentation to the Nevada commission and to the United States Anti-Drug Agency to that effect. She had discontinued ingestion of her ADHD medication on the same timetable as in the past, she said, but this time it had not cleared from her body.

The Nevada commission on Thursday extended its suspension of Bueno Silva, levied as a result of the positive test, but took no further action.

Bueno Silva鈥檚 victory over Holm certainly did not suggest the use of a performance-enhancing product.

Holm, far from overpowered, won the first round on all three official scorecards. She had Bueno Silva鈥檚 back to the fence in the second round when the Brazilian, known as a submission specialist, secured a standing guillotine choke 鈥� forcing Holm to tap out.

FIGHTWORLD: Alamogordo featherweight Richard Jennings (0-1) is scheduled to face Pennsylvania鈥榮 Elijah Harris (4-6) in the main event of Saturday鈥檚 FightWorld MMA card at Revel Entertainment Center.

Jennings-Harris is one of two fights on the 14-fight card. A FightWorld flyweight title fight between Las Cruces鈥� Jacobo Martos (4-1) and sa国际传媒官网网页入口鈥檚 Dominic Rivera (3-0) headlines the amateur card.

The card is scheduled to start at 7 p.m. Tickets, available at , start at $40.4