He has said he shouldn't have lied but wanted to keep the truth from his then-pregnant wife, Huma Abedin, a longtime aide to former Secretary of State Hillary Rodham Clinton.

NPR: Weiner Launches Comeback Bid To Become NYC Mayor

In recent interviews, he has said he shouldn't have lied but did it because he wanted to keep the truth from his then-pregnant wife, Huma Abedin, a longtime aide to former Secretary of State Hillary Rodham Clinton.

WSJ: Anthony Weiner launches bid to become NYC mayor

In truth, experts don't yet fully understand how much of the chemotherapy drugs administered to a pregnant woman reach the fetus.

CNN: Pregnant with cancer