Okay, let's tackle this question. The patient is a 22-year-old woman with hirsutism, obesity, acne, and elevated LH/FSH ratio. Her DHEAS is normal, which is a clue. The key here is to figure out the right treatment.

First, the core concept is probably Polycystic Ovary Syndrome (PCOS). The symptoms like hirsutism, acne, obesity, and the LH/FSH ratio (LH higher than FSH) are classic for PCOS. The DHEAS being normal might help differentiate PCOS from adrenal causes like CAH or adrenal tumors. Since she doesn't want to conceive, treatment options that are contraceptive would be appropriate.

The correct answer is likely the combined oral contraceptive pill (COCP). COCPs help by suppressing ovarian androgen production and increasing SHBG. They also regulate menstrual cycles and improve acne and hirsutism. The other options might include spironolactone, which is an anti-androgen but usually used as adjunct, metformin for insulin resistance, or maybe a GnRH agonist which is less common. However, COCP is first-line for non-contraceptive use in PCOS when pregnancy isn't desired.

Now, the distractors: Option A could be metformin. While metformin helps with insulin resistance, it's not first-line for hirsutism. Option B might be spironolactone, which is used but as an adjunct. Option C could be a GnRH agonist, which is more for severe cases or when other treatments fail. Option D might be a 5-alpha reductase inhibitor like finasteride, which is used more for male pattern baldness. So each of these is incorrect for specific reasons related to their mechanism and usage in PCOS.

**Core Concept**
This case highlights the management of **Polycystic Ovary Syndrome (PCOS)**, a common endocrine disorder characterized by hyperandrogenism, chronic anovulation, and polycystic ovarian morphology. Key diagnostic features include a **LH/FSH ratio >2**, clinical signs of hirsutism/androgen excess, and exclusion of other causes like adrenal hyperplasia (normal DHEAS supports PCOS over adrenal etiology).

**Why the Correct Answer is Right**
The **combined oral contraceptive pill (COCP)** is the **first-line treatment** for PCOS in non-pregnant patients with hirsutism. COCPs suppress ovarian androgen production, increase sex hormone-binding globulin (SHBG), and reduce free testosterone. They also regulate menstrual cycles and improve acne. The presence of a normal DHEAS rules out adrenal pathology, confirming ovarian origin of androgens, which COCPs directly target.

**Why Each Wrong Option is Incorrect**
**Option A:** *Metformin* improves insulin resistance but has **minimal impact on hirsutism** and is adjunctive, not first-line.
**Option B:** *Spironolactone* is a coadjutant anti-androgen for hirsutism but requires a **contraceptive (like COCP)** to prevent pregnancy, as it is teratogenic. It is not monotherapy.
**Option C:** *GnRH agonists* are reserved for severe cases or when other treatments fail,

✓ Correct Answer: A. Oral contraceptives pills