How These Three Pills Compare
Yaz, Lo Loestrin Fe, and Ortho Tri-Cyclen represent three distinct approaches to combined oral contraception. They differ in estrogen dose, progestin type, pill regimen, and FDA-approved benefits beyond contraception. Understanding these differences is key to choosing the right pill for your body.
Side-by-Side Comparison
| Feature | Yaz | Lo Loestrin Fe | Ortho Tri-Cyclen |
|---|---|---|---|
| Estrogen | Ethinyl estradiol (EE) 20 mcg | Ethinyl estradiol (EE) 10 mcg | Ethinyl estradiol (EE) 35 mcg |
| Progestin | Drospirenone 3 mg | Norethindrone acetate 1 mg | Norgestimate 0.18/0.215/0.25 mg (triphasic) |
| Regimen | 24 active + 4 placebo | 24 active + 2 EE-only + 2 iron placebo | 21 active + 7 placebo (triphasic) |
| FDA-approved for acne | Yes | No | Yes |
| FDA-approved for PMDD | Yes | No | No |
| Breakthrough bleeding risk | Low to moderate | Higher (especially first 3 months) | Low |
| VTE risk (relative) | Slightly higher (drospirenone effect) | Lowest of the three | Moderate (higher estrogen) |
| Weight/bloating | Drospirenone is a mild diuretic — may reduce bloating | Weight-neutral | May cause mild fluid retention |
| Cost (brand/month) | $150–$200 | $150–$200 | $40–$80 |
| Cost (generic/month) | $10–$30 | $15–$35 | $10–$25 |
Yaz: The Anti-Androgenic, PMDD-Approved Option
Yaz contains 20 mcg of ethinyl estradiol and 3 mg of drospirenone — a progestin derived from spironolactone with unique anti-androgenic and anti-mineralocorticoid properties.
Key benefits:
- Acne: FDA-approved for moderate acne in women who want contraception. Drospirenone blocks androgen receptors, reducing sebum production. Many dermatologists recommend Yaz as first-line hormonal acne treatment.
- PMDD: The only combined pill FDA-approved for premenstrual dysphoric disorder. The 24/4 regimen (only 4 hormone-free days) minimizes the hormonal withdrawal that triggers PMDD symptoms.
- Anti-bloating: Drospirenone acts as a mild diuretic (similar to 25 mg spironolactone), counteracting estrogen-related water retention. Patients who felt bloated on other pills often do better on Yaz.
Key concerns:
- VTE risk: Multiple studies have found that drospirenone-containing pills carry a slightly higher risk of venous thromboembolism (VTE) compared to levonorgestrel-based pills — approximately 9–12 per 10,000 woman-years vs. 5–7 per 10,000. The absolute risk is still low, but patients with additional VTE risk factors (family history, obesity, smoking, immobility) should discuss this with their provider.
- Potassium: Drospirenone can raise potassium levels. Patients on ACE inhibitors, ARBs, potassium-sparing diuretics, or NSAIDs should have potassium checked.
Lo Loestrin Fe: Ultra-Low Estrogen
Lo Loestrin Fe contains the lowest estrogen dose of any combined pill on the market — just 10 mcg of ethinyl estradiol paired with 1 mg of norethindrone acetate. Its 26/2 regimen (24 active pills + 2 EE-only pills + 2 iron-only placebo pills) minimizes the hormone-free interval.
Key benefits:
- Minimal estrogen exposure: Ideal for patients sensitive to estrogen side effects — nausea, headaches, breast tenderness, mood changes, and bloating are all less common with 10 mcg vs. 20–35 mcg formulations.
- Lighter or absent periods: Many users on Lo Loestrin experience very light periods or amenorrhea (no period at all), which some patients prefer.
- Lower VTE risk: Lower estrogen is associated with lower absolute VTE risk compared to 30–35 mcg pills.
Key concerns:
- Breakthrough bleeding: The most common complaint. With only 10 mcg of estrogen, the endometrial lining may not be stabilized as effectively, leading to spotting — especially in the first 3–6 months. This typically improves with continued use.
- No acne or PMDD approval: Norethindrone is not anti-androgenic. Patients switching from an anti-androgenic pill like Yaz may notice acne worsening.
- Cost: Generic versions (Hailey Fe, Tarina Fe) are available but may not be identical in formulation — authorized generics are preferred.
Ortho Tri-Cyclen: The Triphasic Standard
Ortho Tri-Cyclen uses a triphasic approach — the progestin dose (norgestimate) increases across three phases (0.18 mg → 0.215 mg → 0.25 mg) while estrogen remains constant at 35 mcg. This design mimics the body's natural hormonal fluctuations more closely than monophasic pills.
Key benefits:
- Predictable periods: The triphasic design and 21/7 regimen produce reliable withdrawal bleeding, which patients who want a predictable monthly period appreciate.
- FDA-approved for acne: Norgestimate has anti-androgenic properties (once metabolized to norelgestromin), making Ortho Tri-Cyclen effective for moderate acne.
- Long safety record: Ortho Tri-Cyclen has been on the market since 1992 and is one of the most extensively studied oral contraceptives.
- Affordable: Generic versions (Tri-Sprintec, Tri-Previfem) are widely available at $10–$25/month.
Key concerns:
- Higher estrogen: At 35 mcg, Ortho Tri-Cyclen has the highest estrogen dose of these three pills. This increases the risk of estrogen-related side effects (nausea, breast tenderness, headaches, fluid retention) and modestly increases VTE risk compared to lower-dose formulations.
- Not for estrogen-sensitive patients: Women with migraines with aura, uncontrolled hypertension, or a history of VTE should not use 35 mcg pills.
- Triphasic complexity: If pills are taken out of order, efficacy may be slightly reduced. This is rarely a clinical issue in practice.
How to Choose Between Them
- Acne or PMDD? Yaz is the only one FDA-approved for both. Ortho Tri-Cyclen is also approved for acne.
- Estrogen sensitivity? Lo Loestrin Fe has the lowest estrogen dose (10 mcg) and is safest for estrogen-sensitive patients.
- Want predictable periods? Ortho Tri-Cyclen's triphasic design typically produces the most regular cycles.
- History of blood clots? Avoid all three — but if a combined pill is needed, Lo Loestrin Fe has the lowest relative VTE risk.
- Bloating issues? Yaz's drospirenone has diuretic properties that counteract water retention.
- Budget? Generic Ortho Tri-Cyclen (Tri-Sprintec) is the most affordable at $10–$25/month.
Always discuss your medical history, including family history of blood clots, migraines, and cardiovascular risk factors, with your healthcare provider before starting or switching birth control pills.