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Finding the best pills to get pregnant can feel overwhelming when you’re staring at a list of medications with names that sound like they belong in a chemistry textbook. I’ve spent years helping patients understand their fertility treatment options, and here’s what I know: the right medication depends entirely on your specific diagnosis, not on what worked for your friend or what you read about online.

Fertility medications work through different mechanisms. Some stimulate your ovaries to produce eggs, others trigger ovulation at precisely the right moment, and still others support your uterine lining to help an embryo implant. Your reproductive endocrinologist will likely recommend one or more of these based on your hormone levels, ovulation patterns, and treatment protocol.

This guide breaks down nine fertility medications that doctors prescribe most frequently. I’ll explain how each works, what it costs, who benefits most from it, and the honest downsides you should know about before starting treatment. No medication is perfect, and understanding the tradeoffs helps you have better conversations with your healthcare team.

Medication	Best For	Key Feature
Clomid	First-line ovulation induction	Oral, minimal monitoring needed
Letrozole	PCOS patients	Lower multiple pregnancy risk
Ovidrel	Precise ovulation timing	Pre-filled, easy self-injection
Progesterone	Luteal phase support	Multiple delivery options
Gonal-F	IVF stimulation	Convenient multi-dose pen
Pregnyl	Trigger shot alternative	Longer half-life
Novarel	Budget trigger option	Cost-effective hCG
Menopur	Combined FSH/LH therapy	Contains both hormones
Follistim AQ	Precise dosing needs	Digital pen for accuracy

1. Clomid

Clomiphene citrate, sold under the brand name Clomid, has been the go-to first-line fertility medication since the 1960s. It works by blocking estrogen receptors in your brain, which tricks your pituitary gland into producing more follicle-stimulating hormone (FSH). This surge of FSH stimulates your ovaries to develop follicles and release eggs.

The beauty of Clomid lies in its simplicity. You take a pill for five days early in your menstrual cycle, typically days 3-7 or 5-9. Most women start at 50mg and can increase to 100mg or 150mg if needed. Your doctor may monitor you with ultrasounds to check follicle development, though some practices prescribe it with minimal monitoring for women with regular cycles.

Pros:

• Oral medication: no injections required
• Decades of safety data behind it
• Extremely affordable compared to injectable options
• Can be prescribed by OB-GYNs, not just fertility specialists
• Works well for women who ovulate irregularly or not at all

Cons:

• Thins cervical mucus, which can impair sperm transport
• Thins uterine lining in some women after multiple cycles
• 10% chance of twins, small risk of higher-order multiples
• Side effects include hot flashes, mood swings, and headaches
• Limited to six cycles due to diminishing returns and potential risks

Pricing ranges from $10 to $50 per cycle for the generic version, making it one of the most affordable fertility treatments available. Brand-name Clomid costs more but offers no clinical advantage over generic clomiphene.

Best for: Women with ovulatory dysfunction, PCOS patients starting treatment, and couples trying timed intercourse or intrauterine insemination before moving to more aggressive protocols.

Clomid works for about 80% of women who don’t ovulate regularly, with pregnancy rates around 30-40% over multiple cycles. If you haven’t conceived after three to four cycles, your doctor should reassess rather than continuing indefinitely.

2. Letrozole

Letrozole, originally developed as a breast cancer treatment under the brand name Femara, has become the preferred oral medication for many fertility specialists. It works differently than Clomid: instead of blocking estrogen receptors, it temporarily stops your body from making estrogen by inhibiting the aromatase enzyme. Your brain responds to low estrogen by ramping up FSH production.

The research on letrozole versus Clomid is compelling. A landmark NIH study found that women with PCOS who took letrozole had significantly higher ovulation and live birth rates compared to those on Clomid. The difference was substantial enough that letrozole is now considered first-line treatment for PCOS-related infertility.

Pros:

• Higher pregnancy rates for PCOS patients compared to Clomid
• Doesn’t thin cervical mucus or uterine lining
• Lower risk of multiple pregnancies than Clomid
• Short half-life means it clears your system quickly
• Oral administration for five days, similar to Clomid protocol

Cons:

• Used off-label for fertility, which concerns some patients
• Can cause fatigue, joint pain, and hot flashes
• Not as well-studied in non-PCOS populations
• Some pharmacists unfamiliar with fertility use may question the prescription
• Insurance coverage can be inconsistent

Generic letrozole costs $15 to $75 per cycle, depending on your pharmacy and insurance. The price difference between letrozole and Clomid is negligible for most patients.

Best for: Women with PCOS, patients who experienced side effects on Clomid, and those who had thin uterine lining on previous Clomid cycles.

I recommend letrozole over Clomid for most of my PCOS patients based on the evidence. The off-label designation shouldn’t concern you: this medication has been studied extensively in fertility contexts and has an excellent safety profile.

3. Ovidrel

Ovidrel is a trigger shot containing recombinant human chorionic gonadotropin (r-hCG). While oral medications stimulate follicle development, trigger shots serve a different purpose: they cause the mature follicle to release its egg at a predictable time. This precision matters enormously for timed intercourse, IUI, and especially for IVF egg retrievals.

The medication comes in a pre-filled syringe containing 250 micrograms of choriogonadotropin alfa. You inject it subcutaneously, usually in your abdomen, exactly 36 hours before your planned intercourse, insemination, or egg retrieval. This timing window is critical: inject too early and you may ovulate before the procedure; too late and the eggs may be overripe.

Pros:

• Pre-filled syringe eliminates mixing and measuring
• Subcutaneous injection is less intimidating than intramuscular
• Predictable ovulation timing for procedure planning
• Recombinant product means consistent potency between batches
• Single-use format reduces medication waste

Cons:

• Can cause ovarian hyperstimulation syndrome in sensitive patients
• False positive pregnancy tests for 10-14 days after injection
• Requires precise timing coordination with your clinic
• Injection site reactions possible
• More expensive than urinary-derived hCG alternatives

Ovidrel costs between $90 and $200 per injection, depending on your pharmacy and whether you’re paying cash or using insurance. Some fertility clinics stock it and include the cost in their treatment packages.

Best for: IVF patients, IUI cycles requiring precise ovulation timing, and women who prefer the convenience of a pre-filled syringe over mixing medications.

The false positive pregnancy test issue trips up many patients. Because hCG is the hormone pregnancy tests detect, Ovidrel will cause a positive result for about two weeks after injection. Wait until your clinic advises testing to avoid the emotional roller coaster of a false positive.

4. Progesterone

Progesterone supplements support the luteal phase: the two-week window between ovulation and either menstruation or pregnancy confirmation. Your body naturally produces progesterone after ovulation, but fertility treatments can disrupt this process. Supplemental progesterone creates an optimal uterine environment for embryo implantation.

This medication comes in multiple forms: vaginal suppositories, vaginal gels (Crinone, Endometrin), oral capsules (Prometrium), and intramuscular injections (progesterone in oil). Each delivery method has tradeoffs. Vaginal forms deliver progesterone directly to the uterus but can be messy. Injections achieve higher blood levels but require daily intramuscular shots that can become painful over time.

Pros:

• Essential for IVF cycles where natural progesterone production is suppressed
• Multiple delivery options to match patient preferences
• Generally well-tolerated with minimal systemic side effects
• Can help women with luteal phase defects conceive naturally
• Continues through first trimester if pregnancy occurs

Cons:

• Vaginal forms cause discharge and can be inconvenient
• Intramuscular injections are painful and require proper technique
• Oral forms have lower bioavailability than vaginal or injectable
• Can cause drowsiness, bloating, and breast tenderness
• Requires consistent daily administration

Pricing varies dramatically by form: oral Prometrium runs $30 to $75 monthly, vaginal gels cost $100 to $200 per month, and progesterone in oil for injections ranges from $50 to $150 depending on the pharmacy.

Best for: All IVF patients, women with recurrent pregnancy loss, those with documented luteal phase defects, and patients using donor eggs.

Every IVF patient needs progesterone supplementation: this isn’t optional. Your ovaries can’t produce adequate progesterone after egg retrieval because the trigger shot and retrieval process disrupt normal corpus luteum function. You’ll continue progesterone until 8-12 weeks of pregnancy when the placenta takes over production.

5. Gonal-F

Gonal-F contains recombinant follicle-stimulating hormone (r-FSH) and represents the workhorse of IVF stimulation protocols. Unlike oral medications that encourage your body to make more FSH, injectable gonadotropins deliver FSH directly. This allows for much more aggressive ovarian stimulation, which is necessary when you need multiple eggs for IVF.

The medication comes in a multi-dose pen that you dial to your prescribed dose and inject subcutaneously. Typical IVF doses range from 150 to 450 IU daily for 8-12 days, though your protocol depends on your age, ovarian reserve, and response to stimulation. Your clinic monitors you with frequent ultrasounds and blood work to adjust dosing.

Pros:

• Highly effective for producing multiple eggs in IVF
• Convenient pen delivery system with precise dosing
• Recombinant technology ensures batch-to-batch consistency
• Can be used alone or combined with LH-containing medications
• Well-established safety and efficacy data

Cons:

• Expensive: often the largest cost in an IVF medication protocol
• Requires daily subcutaneous injections for 10+ days
• Risk of ovarian hyperstimulation syndrome, especially in high responders
• Needs refrigeration before first use
• Frequent monitoring appointments required

Gonal-F costs $500 to $900 per pen, and most IVF cycles require multiple pens. A complete IVF stimulation protocol using Gonal-F typically runs $3,000 to $6,000 for medications alone.

Best for: IVF patients, women undergoing egg freezing, and some aggressive IUI protocols for patients who haven’t responded to oral medications.

The sticker shock of injectable gonadotropins is real. Look into manufacturer discount programs, specialty pharmacy pricing, and whether your clinic offers medication packages. Some patients save significantly by ordering from international pharmacies, though this requires careful vetting.

6. Pregnyl

Pregnyl contains human chorionic gonadotropin (hCG) derived from the urine of pregnant women. Like Ovidrel, it serves as a trigger shot to induce final egg maturation and ovulation. The key difference is the source: Pregnyl is urinary-derived while Ovidrel is recombinant. Both accomplish the same goal.

The medication requires reconstitution: you mix a powder with a diluent before injection. Most patients inject Pregnyl intramuscularly into the thigh or buttock, though some protocols allow subcutaneous administration. The standard trigger dose is 5,000 to 10,000 IU, administered 36 hours before the planned procedure.

Pros:

• Longer half-life provides sustained LH-like activity
• Less expensive than recombinant alternatives
• Decades of clinical use with well-understood effects
• Some evidence suggests better outcomes for certain patient populations
• Can be split into multiple doses if needed

Cons:

• Requires mixing before injection
• Intramuscular injection more uncomfortable than subcutaneous
• Urinary-derived products have slight batch variation
• Higher risk of OHSS compared to some newer trigger options
• Must be refrigerated after reconstitution

Pregnyl costs $80 to $150 per injection, making it more affordable than Ovidrel for patients paying out of pocket.

Best for: Patients seeking a cost-effective trigger option, those who respond well to urinary-derived products, and IVF cycles where a longer-acting trigger is preferred.

The choice between Pregnyl and Ovidrel often comes down to cost and convenience. Clinically, outcomes are similar. If you’re comfortable with mixing medications and intramuscular injections, Pregnyl saves money without sacrificing effectiveness.

7. Novarel

Novarel is another urinary-derived hCG trigger shot, functionally equivalent to Pregnyl. The medication serves the same purpose: triggering ovulation at a precise time for timed intercourse, IUI, or IVF egg retrieval. Different manufacturers produce these products, but the active ingredient and mechanism are identical.

Like Pregnyl, Novarel comes as a powder requiring reconstitution. You’ll mix it with bacteriostatic water and inject intramuscularly or subcutaneously depending on your clinic’s protocol. The standard dose mirrors Pregnyl at 5,000 to 10,000 IU.

Pros:

• Often the least expensive hCG trigger option
• Interchangeable with Pregnyl for most purposes
• Reliable ovulation induction
• Available at most pharmacies that stock fertility medications
• Same long half-life as other urinary hCG products

Cons:

• Requires reconstitution before use
• Intramuscular injection preferred by most protocols
• Same OHSS risks as other hCG triggers
• Causes false positive pregnancy tests
• Slight batch-to-batch variation inherent to urinary products

Novarel typically costs $60 to $120 per injection, often representing the most budget-friendly trigger shot option.

Best for: Cost-conscious patients, those already comfortable with mixing injectable medications, and cycles where the specific hCG brand doesn’t affect protocol design.

Your clinic may have a preference between Novarel, Pregnyl, and Ovidrel based on their experience and protocols. If cost is a concern and you don’t have a medical reason to prefer recombinant hCG, ask whether Novarel is an option.

8. Menopur

Menopur contains both FSH and luteinizing hormone (LH) derived from purified human urine. This combination sets it apart from pure FSH products like Gonal-F. Some patients, particularly older women and those with low LH levels, benefit from having both hormones in their stimulation protocol.

The medication comes as a powder that you reconstitute with provided diluent. Most protocols call for subcutaneous injection, though intramuscular administration is also used. Doses typically range from 75 to 450 IU daily, often in combination with a pure FSH product.

Pros:

• Contains both FSH and LH for balanced stimulation
• May improve outcomes for women over 35
• Beneficial for patients with low baseline LH
• Can be used alone or combined with pure FSH products
• Subcutaneous injection option available

Cons:

• Requires daily reconstitution and injection
• Urinary-derived product with inherent variability
• More expensive than oral alternatives
• Can contribute to OHSS risk
• Some patients find the mixing process cumbersome

Menopur costs $75 to $100 per vial, with most IVF cycles requiring 20-40 vials depending on the protocol and patient response.

Best for: Women over 35, patients with documented low LH levels, and IVF protocols designed to include LH supplementation.

The debate over whether adding LH improves IVF outcomes continues among specialists. Current evidence suggests certain patient populations benefit while others do fine with FSH alone. Trust your reproductive endocrinologist’s judgment on whether Menopur belongs in your protocol.

9. Follistim AQ

Follistim AQ delivers recombinant FSH through a sophisticated pen injection system. The cartridge-based design allows for precise dosing in single-unit increments, which matters when your doctor adjusts your stimulation based on monitoring results. The medication is functionally equivalent to Gonal-F but uses a different delivery system.

The pen displays your dose digitally and confirms injection completion, reducing user error. Cartridges come in various sizes (300 IU, 600 IU, 900 IU), and you can use multiple cartridges during a single stimulation cycle. Injection is subcutaneous, typically into the abdomen.

Pros:

• Digital display ensures accurate dosing
• Pen confirms complete dose delivery
• Recombinant product with consistent potency
• Less medication waste than vial-based alternatives
• Easy to learn self-injection technique

Cons:

• Requires specific Follistim pen device
• Expensive, similar to Gonal-F pricing
• Cartridges must be refrigerated before first use
• Pen mechanism can occasionally malfunction
• No clinical advantage over Gonal-F

Follistim AQ costs $500 to $900 per cartridge, with total medication costs comparable to Gonal-F protocols.

Best for: Patients who value precise dosing technology, those whose insurance covers Follistim preferentially, and anyone who appreciates the digital confirmation features.

Choosing between Follistim and Gonal-F usually comes down to insurance coverage and personal preference. Both are excellent medications with equivalent clinical outcomes. Some patients prefer the Follistim pen interface while others like the Gonal-F system better.

Frequently Asked Questions

Which fertility medication has the highest success rate?

Success rates depend more on your diagnosis than the specific medication. For ovulatory dysfunction, letrozole shows the highest pregnancy rates among oral options, particularly for PCOS patients. For IVF, injectable gonadotropins like Gonal-F and Follistim achieve the best egg yields, but success ultimately depends on egg quality, embryo development, and uterine receptivity.

Can I buy fertility pills over the counter?

Prescription fertility medications require a doctor’s supervision. Over-the-counter supplements claiming to boost fertility lack evidence for treating diagnosed infertility. If you’re having trouble conceiving, see a reproductive endocrinologist rather than relying on unproven supplements.

How long should I try fertility medications before moving to IVF?

Most specialists recommend three to four cycles of oral medications with timed intercourse or IUI before considering IVF. Continuing beyond six cycles of the same treatment rarely improves outcomes and delays potentially more effective interventions.

Do fertility medications increase cancer risk?

Large studies have not found a significant increased cancer risk from fertility medications. Early concerns about ovarian cancer have not been confirmed by subsequent research. The medications have been used for decades with reassuring long-term safety data.

What happens if fertility medications don’t work?

If oral medications fail, your doctor may recommend injectable gonadotropins, IUI, or IVF depending on your specific situation. A thorough evaluation can identify whether other factors like tubal issues, uterine abnormalities, or male factor infertility need to be addressed.

Making Your Decision

The best pills to get pregnant for your situation depend on your diagnosis, treatment history, and goals. For most women just starting fertility treatment, letrozole or Clomid offers an affordable, low-intervention starting point. Those with PCOS should specifically ask about letrozole given the superior evidence.

When oral medications aren’t enough, injectable gonadotropins combined with IUI or IVF become the next step. The cost increases substantially, but so do success rates for appropriate candidates. Trigger shots and progesterone support round out most treatment protocols regardless of which stimulation medications you use.

Talk with your reproductive endocrinologist about which medications fit your specific situation. Bring questions about costs, side effects, and success rates for your age and diagnosis. The right medication protocol, monitored carefully and adjusted as needed, gives you the best chance of achieving pregnancy.