By Sandra Rose  | 

MediaPunch / BACKGRID

Kourtney Kardashian opened up about her and husband Travis Barker's IVF struggles.

Kourtney, 43, shares three children with her ex, Scott Disick while Travis is a father of 2. But the power couple has struggled to fall pregnant with their first child.

During Thursday night's episode of "The Kardashians," Kourtney shared the advice her fertility doctor gave her.

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"I can't remember what he said, if [my thyroid level] was low or high. He told us, well, he told me that the thing that would help it was drinking Travis' [semen] like, four times a week."

Barker joked, "I love this doctor."

"Oooooooh I'm using this for evil," comic actor Marlon Wayans joked on social media.

Cosmopolitan UK spoke with a women's health doctor about the unorthodox advice.

Dr. Verity Biggs explained, "If semen is ingested, it is processed very much like any other food or drink we ingest. It enters the stomach and is broken down and digested."

Dr. Biggs said she is "not sure" if drinking semen can increase fertility.

"The composition of semen can be affected by diet and lifestyle. Semen contains chemicals like melatonin, oxytocin and progesterone and even anti-oxidants [which] in turn could possibly help to improve mood or have stress-relieving properties."