The answer is a placenta.
A Placenta is an organ that keeps the blood of a mother and her fetus separate. It connects the uterine wall and fetus, and, thus, allows gas exchange, nutrient uptake, and waste elimination.
The cervix is a lower part of the uterus which contraction helps baby to exit the body.In Fallopian tube, male sperm fuses into female egg and zygote is created.