There is no episode where kurenai gets pregnant. But as the plot line sugests she becomes pregnant in the 3 year time skip, so a few months before naruto returns to Konoha after his training.
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we do t know till shikamaru and kurine go to Asumas grave. Shikamaru been know she was pregnant and he’s going to be the parent or guardian of the baby.
Asuma Sarutobi.
it was Sarutobi Asuma................ he and Kurenai were lovers... then when Asuma was fighting against the Akatsuki, he was killed and so now Kurenai has to take care of the baby herself but then Asuma entrusted the baby to Shikamaru
Naruto Shippuden Episode 153-Following The Master's Shadow
Here's a link
http://www.vizanime.com/ep/2125?episode_number=153&referrer=viz_naruto&utm_campaign=narutoRedirect&utm_medium=redirect&utm_source=naruto.com
Kurenai hasn't had her baby on any Naruto eps yet n_n
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Im guessing it will go somthing like this: they have nothing else going on and they know that NOBODY wants a filler arc so they'll put the baby (that for some reason hasn't been born even tho its been over 9 months) being born on instead and then Kurnenai and the baby to be named later wont show up again for awhile until they are needed. But I just made that up on the spot so it might not happen like that :)
Yes he did.
After his death he tells Shikamaru to look after Kurenai and the baby
Asuma did not get married. He was in a relationship with Kurenai, and she was pregnant with his child. However, Asuma was killed before the baby was born.
She hasn't had her baby yet.
The last episode of Shippuden hasn't been aired yet
In episode 89 of Naruto Shippuden, Shikamaru says to Kurenai, "When your kid's born, it'll be my turn to be the teacher." The camera then shows Kurenai's belly and left hand which has a ring on it. (she's either engaged or married)
Asuma and Kurenai were not related. They were lovers. Asuma was the father of Kurenai's baby.