Since no question was asked, I’m going to assume the OP finds this action immoral.
If that is incorrect, I preemptively apologize.
If I am correct, I stand to be corrected in my disagreement on the grounds of the traditional doctrine (term used loosely) regarding the dignity of human life. After all, we as Catholics get our knickers in a twist over abortion - the premature killing of the unborn. This frozen embryo, now given a shot at life, is one less life sent to heaven without being named beyond a number.
While the circumstances behind the conception of the embryo, and its subsequent carriage to term and birth, are likely not in line with the extremely limited view of acceptable sexual acts under the CCC, this does not negate that a life was saved.
Before someone comes along to say “a sin cannot negate another sin”, let me talk to you about our pal, the Just War Doctrine…