He noticed the fact that modern birth control methods granted women some freedom so they can choose when to get fertilised.
But currently, a fertilised woman still has to go through pregnancy, give birth and perhaps look after the new born.
So to make 太蔟 happy and his opinion holds - i.e. to enhance the already very close friendship between 科学技术 and 现代女性, a machine is needed to develop an fertilised egg into at least one fully grown foetus.