On the explosive season four premiere of ‘Teen Mom 2,’ Leah discovers she suffered a miscarriage with the baby she was carrying with her fiance Jeremy! Plus, Chelsea has unprotected sex with Adam, Kailyn files another court order against Jo and Jenelle finds out Kieffer is out of jail. Read on for the full recap.

Leah Messer faces devastating heartbreak during the season four premiere of Teen Mom 2 on Feb. 18 when she is rushed to the hospital with severe cramps, and discovers she had a miscarriage with the baby she had been carrying with her fiance Jeremy Calvert.

Leah Messer Finds Out She’s Had A Miscarriage

Since Jeremy works out of town for several days at a time as a pipeline engineer, Leah has to suffer the tragic news by herself and her twin daughters Ali and Aleeah Simms.  ”I just don’t understand why,” she cries about the news. But when talking it over with her friend Kayla, Leah begins to realize that maybe she’s not ready to be a mom again. She’s going to have her IUD put back in and going to wait to have kids.

Her fiance Jeremy is clearly devastated at the news — but most importantly, he wants to make sure Leah is OK. Leah says they need to slow down their relationship and not be on such the fast track that they have been. That means waiting to even plan their wedding.

Little does Jeremy know, Leah’s reasoning is that she’s still holding on to feelings with her ex-boyfriend and baby daddy Corey Simms. When she meets him to drop off the girls, she breaks the news of the miscarriage to him — but also reveals she’s still in love with him.

“I’m so tired to the back-and-forth stuff,” she yells at Corey. But when Corey points out that she’s already moved on and engaged, she says that’s not important and she would give it all up for Corey. He is still confused, so Leah drives home in tears. Back to her fiance, most likely.

Chelsea Houska Has Unprotected Sex With Adam Lind

Chelsea Houska has been broken up with baby daddy Adam Lind for a while and is focusing on going to beauty school, but one night when he was dropping off Aubree, the two hooked up. And Chelsea’s Merina IUD fell out before they hooked up, so she’s worried she’ll get pregnant. Even though Adam used the pull-out method, it’s just as reliable as Adam is as a a father.

Adam jokes with his buddies that “there’s always that thing with your baby mama,” and doesn’t want to get back together with Chelsea because of their drama, but will always kind of have feelings for her.

Meanwhile, Chelsea says it’s too early to even take a pregnancy test. but she is too nervous to. She loves Aubree, but isn’t ready to be a mom to two kids — especially with Adam.

Jenelle Evans Moves On With Gary Head

Jenelle Evans is gearing up for what is perhaps her most shocking season yet — she’s sober, she’s back in school, she moved into her own place and she has a boyfriend that her mom Barbara Evans loves — Gary Head!

Just when Jenelle seems to be getting her life back on track, she finds out that her ex-boyfriend Kieffer Delp is out of jail and may try to contact her. But it gets weirder — instead of calling Jenelle, he finds out Gary’s number and texts him that he wants to get in touch with Jenelle. Kieffer says he isn’t trying to start drama — he’s just trying to reach his ex-girlfriend through her new boyfriend. Right.

Jenelle insists she’s in love with Gary and isn’t looking to get back with Kieffer. If he tries to call her, she says she’ll change her number right away. Sounds like it’s true love with these two! We’ll have to see what happens with their relationship.

Kailyn Lowry Takes More Legal Action Against Jo Rivera

Kailyn Lowry reveals that she is at odds with her baby daddy Jo Rivera yet again over his girlfriend Vee Torres — this time, she was set off when she saw Vee at Jo’s house. Kailyn doesn’t like Vee around baby Isaac, especially since she likes to smoke and drink.

When Kail confronted her ex about it, he brought up that she has her boyfriend Javi around Isaac all the time. But this just set Kailyn off even more and he said he physically attacked him. She allegedly punched him in the face, and she claims he hit her back.

With all of the punches flying, Kailyn decides to file a PFA, which is a Protection From Abuse order. With the legal filings in place, Jo can’t seen Isaac until their court hearing in two weeks. Jo is livid after he’s served the papers, and Kailyn worries the two will never be able to be civil or friends again.

What did YOU think of the season 4 premiere HollyMoms? Does this look like the best season yet? Let us know in the comments below!

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Watch: Teen Mom Leah Messer Pregnant Again: What Are You Thinking? 

– Christina Stiehl

More ‘Teen Mom 2′ news:

1. 10 Most Shocking ‘Teen Mom 2′ Season 3 Moments: Leah’s Pregnancy & More
2. Kailyn Lowry Hits Javi Morroquin On ‘Teen Mom 2′? The Truth Revealed
3. ‘Teen Mom 2′: Leah Says Ex-Husband Corey Comes Before Fiance Jeremy