After being held in Russia on drug charges, the WNBA star is said to be in good condition.
The American, an Olympic gold medallist who plays for Phoenix Mercury, was taken into custody at a Moscow airport in February after cannabis oil was found in her luggage.
She could be sentenced to 10 years in a Russian prison if convicted.
An official from the US embassy in Moscow was allowed to visit a man for the first time on Tuesday.
The US State Department will continue to work closely with her legal team to see that she is treated fairly, according to Ned Price.
We will continue to do everything we can to see that she is treated fairly, as our official found that she was in good condition.
The Moscow court ruled last week that he could be held until at least May, according to the Russian news agency.
During the off-season since 2015, the centre has played in Russia.