Polymenorrhoea Means
**Core Concept**
Polymenorrhoea refers to a menstrual cycle pattern characterized by abnormally frequent or short menstrual cycles, typically defined as cycles occurring at intervals of 21 days or less.
**Why the Correct Answer is Right**
Polymenorrhoea is a type of menstrual disorder that can be caused by various factors, including hormonal imbalances, stress, and certain medical conditions. In women with polymenorrhoea, the luteal phase is often shortened, leading to anovulatory cycles and irregular ovulation. This can result in a lack of progesterone production, which in turn causes the uterine lining to shed prematurely, resulting in frequent menstrual bleeding.
**Why Each Wrong Option is Incorrect**
* **Option A:** Menorrhagia refers to abnormally heavy or prolonged menstrual bleeding, not frequent or short cycles.
* **Option B:** Oligomenorrhoea is characterized by infrequent or light menstrual periods, which is the opposite of polymenorrhoea.
* **Option C:** Dysmenorrhoea refers to painful menstrual cramps, which is not related to the frequency or length of menstrual cycles.
**Clinical Pearl / High-Yield Fact**
A mnemonic to help remember the different menstrual disorders is: "POLYMENORRHOEA" - Prolonged (menorrhagia), Oligo (oligomenorrhoea), Luteal (dysfunctional uterine bleeding), Menstrual (polymenorrhoea), E (endometriosis), N (nephrogenic), O (ovulatory), R (reproductive), R (reproductive), H (hormonal), O (obesity), E (estrogen), A (anovulatory).
**Correct Answer: D.**