The embryonic stage begins with fertilization and lasts for eight weeks.
So that really means that sperm + zygote is enough to get a "Child Tax Credit from $2,000 per child". Which means at week four a 0.01 inch sized cell agglomerate. Or in other words you could get $200k tax writeoffs with no problem via artificial insemination of external wombs.
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]
This means if you time it right at tax season you can get free money without harming any human.
So that really means that sperm + zygote is enough to get a "Child Tax Credit from $2,000 per child". Which means at week four a 0.01 inch sized cell agglomerate. Or in other words you could get $200k tax writeoffs with no problem via artificial insemination of external wombs.
This means if you time it right at tax season you can get free money without harming any human.
The image in the op specifies a "detectable human heartbeat" though so it's a bit trickier