While Pletnyova wants to protect women from the possible burden of single parenthood, she also argues it would be better if children were born to parents of the same race or nationality.
"I know that children suffer if they are abandoned and they are left here with the mother", Pletnyova.
"We should give birth to our own children".
The 2018 World Cup in Russian Federation kicks off Thursday, and while most of us will be focused on cheering for our favorite teams, local women are being advised to keep something else in mind: don't have sex with foreigners.
The Family, Women and Children Affairs Committee chairwoman warned that "nothing good will come out of. the inappropriate behavior of Russian women".
The term was used during the Soviet era to describe non-white children conceived at global events after relationships between Russian women and men from Africa, Latin America, or Asia.
United Nations votes by strong majority to condemn Israel over Gaza violence
The assembly then voted on the original Palestinian-backed resolution which was approved by a vote of 120-8 with 45 abstentions. The US, Israel, Australia, Marshall Islands, Micronesia, Nauru, Togo and the Solomon Islands voted against the measure.
"Even if they marry, they move her overseas, then she does not know how [to return] from there", Pletnyova, who is known for her conservative remarks, told the Govorit Moskva (Moscow Speaks) radio station on Wednesday. "I'm not a nationalist, but still", she added. Women are often stranded overseas or in Russian Federation but unable to get their children back, she said.
"Then they come to me at the committee and cry that the child was taken away, removed, and so forth".
Pletnyova did add that she supports Russian citizens marrying "out of love, regardless of their ethnicity", in a quote translated by Reuters.
However, her comments drew both criticism and ridicule.
Pletneva previously criticised the #MeToo campaign against sexual harassment, tentatively spreading in Russian Federation.
Russian women have been told to resist the temptation to enter intimate relationship with foreign players and fans alike during the month long display of soccer artistry.