Los Angeles, June 11 (IANS): Reality TV personality Kim Kardashian West is keeping the sex of her yet unborn baby a secret and insists she and husband Kanye West haven't shared the news with anyone yet.

The 34-year-old, who is set to give birth to her second child with Kanye in December, has hit back at rumours she is having a son this time, reports femalefirst.co.uk.

The "Keeping Up with the Kardashians" star addressed the speculation on Twitter by writing: "So many rumors...we are not having twins, yes I am carrying my own baby lol & we have not told anyone the sex of our baby yet! Nothing is confirmed unless you hear it from me! (sic)."

Unlike during her first pregnancy, the brunette beauty is suffering from severe morning sickness at the moment.

She tweeted: "So f**king sick today on all levels!!!!! UGHHHHHHHHH I can't deal!!!!!!!!!! Praying I get through the day!"

The couple already has a daughter named North West.