What hormone is primarily responsible for maintaining the endometrium during the luteal phase?

Which structure of the vulva is homologous to the male scrotum?

What part of the external genitalia is homologous to the male glans penis?

What is the main function of the vagina in the female reproductive system?

What is the role of surfactant in the newborn’s lungs?

Which hormone is released during childbirth to enhance uterine contractions?

What is the primary action of antidiuretic hormone (ADH)?

What triggers the initiation of labor?

What is formed when the sperm and ovum nuclei unite?

Which structure eventually surrounds the entire embryo and contributes to the placenta?