Obstetrics and Gynaecology Flashcards
What is puberty?
The transition from childhood to sexual maturity
What is menarche?
The onset of menstruation
What is the average length of a menstrual cycle?
28 days
What are the 3 phases of the menstrual cycle?
- Menstrual phase
- Proliferative phase
- Luteal (secretory) phase
What happens during the proliferative phase of the menstrual cycle?
Endometrial thickening and ovarian follicular maturation
What happens during the luteal (secretory) phase of the menstrual cycle?
It is the phase from ovulation until menstruation
What stimulates the pituitary gland to release gonadotropins?
Pulsatile GnRH (gonadotropin releasing hormone) from the hypothalamus
Which part of the pituitary gland is responsible for the release of gonadotropins?
Anterior pituitary
What is the major blood supply to the pelvic organs?
Internal iliac (hypogastric) arteries
What type of epithelium lines the vagina?
Squamous
What type of epithelium lines the cervical canal?
Columnar
Which nerves supply somatic innervation to the pelvis?
Pudendal nerves (from S2, S3, S4)
