In other words, primary oocytes reach their maximum development at ~20 weeks of gestational age, when approximately seven million primary oocytes have been created; however, at birth, this number has already been reduced to approximately 1-2 million.
Noutras palabras, os ovocitos primarios chegan ao seu máximo desenvolvemento ás ~20 semanas de xestación, cando se crean aproximadamente sete millóns de ovocitos primarios; pero no nacemento, este número xa quedou reducido a aproximadamente 1-2 millóns.