“Pregnancy” after “marriage registration”...Friend says behind her back that she was “premarital pregnancy” before the wedding = South Korea

In South Korea, a story was reported of a woman who became pregnant after registering her marriage and setting a wedding date, but heard rumors from her friends that she was pregnant before marriage.
On the 15th, an article titled ``What are the standards for premarital pregnancy'' appeared in a South Korean online community.
Mr. A, who introduced himself as a friend of the bride who was about to get married, said, ``The bride has already reserved the wedding venue a long time ago, finished taking snapshots, and even sent out the invitation.
The couple went on to explain the situation, saying, ``We first registered our marriage for housing, and we are still living together.'' She continued, ``When I heard that I was in the early stages of pregnancy, I was very happy and congratulated her.
``When I became pregnant, it had been quite some time since we had set the wedding date, and on paper we were already husband and wife, so I had no idea that it was a premarital pregnancy.''
However, other friends thought differently. Mr. A said, ``Unlike me, other friends heard about it and were gossiping about it, saying, ``It's a premarital pregnancy.''
``I said, ``Don't talk about it behind my back,'' but my friends said, ``I got pregnant before the wedding, so it's a premarital pregnancy,'' and ``Don't hold my shoulder, they don't understand.'' I spelled it out.
Mr. A argued, ``On paper, we are already a married couple, so even if I got pregnant before the wedding, I am not unmarried.'' Regarding this story, netizens said, ``It seems like the friends have no manners.''
``What do you mean by ``Premarital Pregnancy'' when referring to people who are already legally married?'' ``Perhaps she was jealous because she had a happy marriage.'' ``To be more precise, it should be called ``Premarital Pregnancy.'' There are various opinions such as
It went up.