Answer: These are not three stages but three forces: right, left, and middle, which must unite and continue their development.
Intrauterine development in the corporeal world lasts 38 weeks—about nine months. This corresponds to the nine Sefirot through which the embryo develops. His corporeal development proceeds in the same way as the development of a spiritual embryo.
Question: In the first eight weeks, the embryo is called “embryo,” and then “fetus.” In Kabbalah, it is believed that fetal formation takes place within 40 days. Why?
Answer: In the first three days, the semen attaches to the uterine wall. Then 40 days of initial fetal development follow. And then: three months plus three months plus three months of fetal development.
We will not analyze each stage now because they contain such parameters that even our medicine does not know.
Question: In one of your teacher’s articles it is written that the Creator places one form inside another—an altruistic form begins to unfold within our egoistic form. Is this what we are talking about?
Answer: Yes. In Hebrew, this is called “Tzor tzura betoch tzura“: within the egoistic desires that make up our nature altruistic desires begin to develop, properties of bestowal and love, the ability to feel others.
That is, conception, germination, development is the beginning of the development of an altruistic property.
From KabTV’s “Spiritual States” 8/6/21