Is it permissible to abort a fetus that is medically proven to be malformed, knowing that its age is 112 days from the fertilization of the ovum?

Aborting a malformed fetus before the ensoulment is permissible, and this is a recognized opinion. This is not limited to actual harm but also includes anticipated harm, such as certain incurable diseases and deformities. The age of the fetus is calculated from the time of fertilization, because the nutfa (sperm drop) stage begins from the moment of insemination or fertilization. Medical reports, on the other hand, are approximate.