The human embryo develops in the uterus, which is a pear-shaped organ in the female reproductive system.

Here's a breakdown:

* Fertilization: Sperm fertilizes an egg in the fallopian tube.

* Implantation: The fertilized egg (now called a zygote) travels down the fallopian tube and implants itself in the lining of the uterus.

* Embryonic Development: The embryo develops within the uterus, nourished by the placenta, for approximately 8 weeks.

* Fetal Development: After 8 weeks, the embryo is called a fetus and continues to develop in the uterus until birth.

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