David B. Chamberlain, PhD summarizes his article:

"An important message of these diverse findings is that memory and learning seem to be a natural part of being human, including the first nine months in the womb and the years of infancy, defined as the time before speech. Perhaps the biggest surprise is that life in the womb is extremely active and interactive and the womb is, in fact, a classroom."

Read David Chamberlain's article here Prenatal Memory and Learning