During sexual intercourse, the interaction between the male and female reproductive systems results in fertilization of the woman's ovum by the man's sperm. Dairy farmers housing cows displaced by barn fire Air Date: A typical 9-month gestation period is followed by childbirth. Spermatogenesis spermatogonium spermatocyte spermatid sperm Oogenesis oogonium oocyte ootid ovum Germ cell gonocyte gamete. Once the fetus is sufficiently developed, chemical signals begin the process of birth, which begins with the fetus being pushed out of the birthing canal. Cambridge woman files racial profiling lawsuit against police. Reeve's appeal to run business shot down Air Date:
When the fetus is developed enough to survive outside of the uterusthe cervix dilates and contractions of the uterus propel it through the birth canal, which is the vagina.
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