In 2016, scientists published two studies regarding human embryos developing for thirteen days within an ecto-uterine environment.[3][4] Currently, a 14-day rule prevents human embryos from being kept in artificial wombs longer than 14 days. This rule has been codified into law in twelve countries.[5]
So there's your answer; Suppressed.
Also mentioned in that article is this comedy;
In the 1970 book The Dialectic of Sex, feminist Shulamith Firestone wrote that differences in biological reproductive roles are a source of gender inequality. Firestone singled out pregnancy and childbirth, making the argument that an artificial womb would free "women from the tyranny of their reproductive biology."[25][26]
I'm gonna go out on a limb and say that she is radically underestimating the scope of what it would free them from.
From the wikipedia article on artificial wombs
So there's your answer; Suppressed.
Also mentioned in that article is this comedy;
I'm gonna go out on a limb and say that she is radically underestimating the scope of what it would free them from.