But Fuchs spoke of her relief after an investigation concluded that she had not deliberately cheated.
“I was completely in shock,” she said. “I didn’t know where [the banned substances] had come, knowing that I had never ingested anything.
“I did not know that I could be infected by intimate contact with another person.
“I am very relieved that the USADA (United States Anti-Doping Agency) saw that my case was very unique, gave me” no fault “and cleared me, which allowed me to resume my career at once.
“It was a huge lesson for me and now that it’s over, I’m fully focused on preparing for Tokyo.
Fuchs could have faced a four-year ban that would have destroyed his dream of participating in the Tokyo Games next year.
She narrowly missed qualifying for the Rio event in 2016 and will now try to compete in Japan at the delayed 2020 Olympics.
The Games have been postponed for 12 months due to the coronavirus crisis that has stopped the sport worldwide.
A statement from USADA said, “The low amounts of the metabolite of letrozole and metabolites GW1516 detected in its sample were consistent with recent exposure to the substances through sexual transmission.
“We strongly believe that this case and others like this, including contamination from meat and contamination from prescription drugs, should not be considered a violation”
In 2017, USADA authorized middle-distance runner Ajee Wilson to start without suspension, concluding that traces of anabolic agent in his sample were from contaminated beef.