Well, there could be many reasons. Maybe it's against the moral code of the comic's world or it could have negative impacts on the plot and character development.
No, they aren't the same. Jump Comics is a broader category that may include various types of comics, while Shonen Jump specifically focuses on comics targeted at young male readers.
One story could be about a black pregnant wife who is preparing for the arrival of her baby. She might be busy decorating the nursery, choosing baby names, and going to prenatal classes. She could be sharing her pregnancy journey with her friends and family, and everyone is excited for the new addition to the family.
One possible story could be: There was a couple, John and Mary. Mary suspected that John was having an affair when he started coming home late and being secretive with his phone. One day, she found a woman's earring in his car. Then, Mary discovered she was pregnant. But the situation at home was so tense due to her suspicions. Eventually, it turned out that the earring was from a colleague who had borrowed his car for an emergency and John was not having an affair after all. They worked through their issues and welcomed their baby into a more stable family environment.
Perhaps in the comic's context, jumping would mean giving up on potential solutions and future happiness. Living offers the chance to grow, change, and find a way to overcome whatever is causing the urge to jump. Plus, it shows commitment and love in a more productive way than taking such a drastic step.
Yes, there might be some out there. Fanfiction websites often have a wide variety of works. You could try searching on platforms like FanFiction.net or Archive of Our Own. Just be aware that the quality and nature of such fanfictions can vary greatly.
One story could be about a pregnant wife with black hair who was really into painting during her pregnancy. She used her creativity to decorate the nursery with beautiful murals, all while her black hair was like a shiny crown on her head. It was a special time as she prepared for the new arrival and her black hair added to her beauty during that journey.
There was a story where a cheating wife became pregnant. She tried to hide it from her husband at first, making up excuses for her changing body and strange mood swings. But as the pregnancy progressed, it became impossible to hide. Her husband was devastated when he learned the truth, and they had to face a very difficult situation with family and friends finding out.
A fat wife in a small town had an affair. The town was full of gossips. She met a man during a trip. They had a passionate affair. Soon she discovered she was pregnant. She knew she couldn't keep this a secret for long. She first told her best friend who advised her to be honest with her husband. With great trepidation, she told her husband. Her husband was furious and wanted to divorce. But after thinking it over, he realized that he still loved his wife and they could try to make a new start with the new baby on the way.
A couple had been living a very healthy lifestyle. They ate well, exercised regularly, and got enough sleep. One day, they simply noticed that the wife was feeling a bit different. After a visit to the doctor, they learned she was pregnant. Their healthy habits had likely contributed to this wonderful news.