Menstrual Dysfunction Flashcards
How long does a normal menstrual cycle typically last?
28 days
What are the 3 stages of the menstrual cycle?
Proliferative/follicular phase
Luteal phase
Menstrual phase
Which layer of the uterus is shed during menstruation, causing bleeding?
Endometrium
Define “menorrhagia”
Prolonged and increased menstrual flow
Define “metrorrhagia”
Regular menstrual bleeding between menstrual periods
Define “polymenorrhoea”
Menstrual bleeding occurring at 21 day interval of cycle
Define “polymenorrhagia”
Increased bleeding and increased frequency of cycles
Define “menometrorrhagia”
Prolonged menstrual cycle and bleeding between cycles
Define “amenorrhoea”
Absence of menstrual cycle for more than 6 months
What is the difference between organic and non-organic causes of menorrhagia?
Organic - pathology present
Non-organic - no obvious/observable pathology identified
List some local organic causes of menorrhagia
Fibroids Adenomyosis Polyps Hyperplasia, carcinoma Pelvic inflammation Contraceptive devices Endometriosis Trauma AV malformations
What is adenomyosis?
Endometrium present in myometrium, causing irritant blood to pool and intense pain
What 2 other organic groups of causes of menorrhagia must be considered?
Systemic
Pregnancy
Non-organic (dysfunctional) menstrual bleeding makes up 50% of cases. True/False?
True
Which type of dysfunctional menstrual bleeding (DUB) is more common - anovulatory or ovulatory?
Anovulatory
What can be assessed on a transvaginal ultrasound scan?
Endometrial thickness
Presence of fibroids + pelvic masses
How can endometrial sampling be done?
Pipelle biopsy
Hysteroscopy
Dilate and curettage
How can dysfunctional menstrual bleeding be managed medically?
Progestogens Combined OCP GnRH analogues NSAIDs Capillary stabilisers Progesterone-releasing intra-uterine contraceptive
What are the main surgical interventions for dysfunctional menstrual bleeding?
Endometrial resection/ablation
Hysterectomy
At what endometrial thickness is biopsy indicated?
Greater than 4mm in postmenopausal
16mm in premenopausal