Kanye West and Kim Kardashian are thinking of having another child just seven months after the birth of their youngest daughter, Chicago. According to sources close to the family, the couple only has "one last embryo left." It is said that its sex is male.

The Wests are preparing to have the embryo implanted into a gestational carrier "soon." This will be the second time the couple opts for this alternative method of having a baby. They had turned to surrogacy to have their third child, following a very high-risk pregnancy. The social media star suffered from preeclampsia and placenta accreta when she was pregnant with daughter North, 5, and son Saint, 2.

Kardashian had previously opened up about the procedure in January, a few days after Chicago was born.

“Doctors said that it wasn’t safe for my — or the baby’s — health to carry on my own. After exploring many options, Kanye and I decided to use a gestational carrier. Although I have used the term surrogate in the past, a gestational carrier is actually the technical term for a woman who carries a baby that she has no biological relationship to. A traditional surrogate donates her egg, is artificially inseminated with the father’s sperm and then carries the baby to term. Since we implanted my fertilized egg in our gestational carrier, our baby is biologically mine and Kanye’s"