Basic Utrogestan Information

• INN (International Nonproprietary Name): Dydrogesterone.
• Brand Names Available In Australia: Not specified in available public data; internationally the most common brand is Duphaston (10 mg tablets).
• ATC Code: G03DB01.
• Forms & Dosages: Tablet, 10 mg strength, commonly supplied in blisters of 20 tablets.
• Manufacturers In Australia: Not specified; global marketing author is Laboratoires Abbott Products (Abbott/AbbVie) and licensed partners in some regions.
• Registration Status In Australia: Not specified in the provided data; registration varies by country and should be checked on the TGA ARTG.
• OTC / Rx Classification: Prescription-only (Rx) in all jurisdictions noted.

Latest Research Highlights

Patients often ask whether dydrogesterone is safe and whether it really helps fertility or prevents early miscarriage.

Recent literature from 2022 to mid-2024 continues to present dydrogesterone as a well-tolerated oral progestogen for luteal support and several pregnancy-related indications.

Randomised controlled trials and meta-analyses consistently report improved clinical pregnancy rates when dydrogesterone is used as luteal support in assisted reproductive technologies compared with no progestogen or placebo in many studies.

Evidence for routine prevention of first-trimester miscarriage is supportive in pooled analyses but shows heterogeneity across trials, doses and patient populations.

Safety data from pooled trials and surveillance datasets emphasise a low rate of serious adverse events for dydrogesterone.

Commonly reported side effects are mild and include breast tenderness, nausea and spotting rather than severe systemic reactions.

Limitations of the evidence include variable dosing regimens across trials and different patient selection criteria.

Clinical Effectiveness In Australia

Clinicians in Australia generally rely on international evidence while following TGA guidance and local clinic protocols.

Dydrogesterone is used in Australian practice for luteal phase support in infertility, for amenorrhoea and for some bleeding disorders when prescribed off-label by specialists.

TGA adverse-event reporting aligns with published tolerability, showing mainly mild gastrointestinal symptoms and menstrual irregularities.

Patients and prescribers are advised to consult the local product information (Duphaston 10 mg tablet; INN: Dydrogesterone; ATC G03DB01) when making treatment decisions.

• Clinical Outcomes: Improved implantation and clinical pregnancy rates with luteal support in many ART protocols.
• Tolerability: Mostly mild side effects such as breast tenderness and nausea.
• Access: Often supplied via private scripts from fertility clinics; PBS listing may be variable.

Patients should confirm current PBS listings via Services Australia as coverage may change and many fertility clinics supply medications on private scripts.

Indications And Expanded Uses

People want to know what dydrogesterone is commonly used for and how clinicians dose it.

• Secondary Amenorrhoea → Standard Regimen: 10 mg twice daily (cycle days 11–25).
• Luteal Phase Deficiency In Infertility → Standard Regimen: 10 mg daily (days 14–25 or continuous); clinic protocols may customise timing in ART cycles.
• Dysfunctional Uterine Bleeding → Standard Regimen: 10 mg twice daily for 5–7 days.
• Threatened Abortion → Standard Regimen: Initial loading 40 mg then 10 mg every 8 hours in some protocols, continued as needed; requires specialist review.
• Habitual Abortion → Standard Regimen: 10 mg daily, often continued to at least 20 weeks' gestation as per local practice.
• Endometriosis → Standard Regimen: 10–20 mg daily, cycle days 5–25 or continuous.
• HRT Adjunct (With Oestrogen) → Standard Regimen: 10 mg daily on specified days of cycle.

Off-label uses in Australia are clinician-led and include tailored luteal regimens during ART cycles.

Document informed consent when using off-label approaches and discuss evidence strength within a multidisciplinary team for recurrent miscarriage cases.

Composition And Brand Landscape

Clinicians commonly ask which brands and forms are available for dydrogesterone.

Dydrogesterone is marketed internationally under Duphaston in most countries, with localized packaging in Russia/CIS and Asia.

No injectable, vaginal or topical dydrogesterone formulations are currently marketed per the available data.

For procurement queries, verify ARTG registration and local supplier details on the TGA website before ordering.

Contraindications And Special Precautions

Safety remains a top concern, especially in older patients and those with complex medical histories.

• Absolute Contraindications: Known allergy to dydrogesterone or excipients.
• Absolute Contraindications: Progestogen-dependent tumours.
• Absolute Contraindications: Active or severe liver disease.
• Absolute Contraindications: Undiagnosed vaginal bleeding.

• Relative/Monitoring Required: History of depression.
• Relative/Monitoring Required: Personal or strong family history of thromboembolic disease.
• Relative/Monitoring Required: Uncontrolled hypertension, renal impairment and diabetes mellitus (monitor metabolic parameters).

Advise patients there are no routine driving restrictions, but they should avoid driving if they experience dizziness or significant fatigue.

Dosage Guidelines

Clear dosing information avoids confusion for patients transitioning from clinic to community dispensing.

Standard regimens per product information include the following.

1. Secondary amenorrhoea: 10 mg twice daily, usually cycle days 11–25.
2. Luteal support/infertility: 10 mg daily, days 14–25 or continuous depending on protocol.
3. Dysfunctional bleeding: 10 mg twice daily for 5–7 days to induce withdrawal bleeding.
4. Threatened miscarriage: initial protocols may use a higher loading dose (e.g. 40 mg then 10 mg every 8 hours) with maintenance as advised by a specialist.

Adjustments should be considered in severe hepatic impairment; exercise caution in renal impairment.

Typical durations are 3–6 cycles for infertility support and continuation to at least 20 weeks' gestation for habitual abortion protocols when indicated.

1. When To Start: Follow your specialist's timing; for luteal support start as directed around ovulation or as the ART clinic prescribes.
2. How To Stop: Do not stop abruptly without clinician advice in pregnancy support scenarios.
3. Missed Dose: Take as soon as remembered unless it is almost time for the next dose; do not double up.

Interactions Overview

Pharmacists and prescribers need a concise interaction overview to advise patients accurately.

No prominent food interactions are documented and routine alcohol intake is not a formal contraindication, although moderation is advised, especially in pregnancy.

Pharmacists should check PBS/eHealth interaction tools for patient-specific alerts and report adverse interactions to the TGA.

Cultural Perceptions And Patient Habits

Access, cost and convenience often matter as much as clinical effect when patients choose a progestogen.

• Australian patients frequently compare prices between major chains like Chemist Warehouse, Priceline and local chemists.
• Telehealth prescriptions are increasingly used for fertility and miscarriage support, which helps regional and remote patients access specialists and medicines.
• Many patients prefer well-tolerated oral options without strong androgenic side effects.
• Indigenous and rural communities can face access barriers and often rely on regional pharmacists and telehealth-linked services for follow-up and dispensing.

Case vignette: A patient in regional Victoria used telehealth to consult a fertility specialist, received a private script for dydrogesterone and had the medication delivered to a local pharmacy for same-week collection.

Availability And Pricing Patterns

Availability varies by supplier, ART clinic stock and whether a product is PBS-listed.

Duphaston international packaging commonly supplies 20-tablet blisters of 10 mg tablets.

Supply channels include community pharmacies, clinic dispensaries and online pharmacies that accept e-prescriptions and telehealth scripts.

In our online pharmacy, utrogestan and other progesterone products may be supplied with discreet delivery to Australia in 5-14 days subject to prescription requirements and TGA rules.

Cost-conscious patients should ask pharmacists about therapeutically equivalent options such as micronized progesterone and check for manufacturer assistance programs when available.

Comparable Medicines And Preferences

Clinicians balance fertility outcomes, side-effect profiles and formulations when choosing a progestogen.

• Micronized Progesterone (e.g. Utrogestan): Available as oral and vaginal formulations and often chosen for vaginal luteal support in ART.
• Norethisterone: Used for bleeding control and HRT applications.
• Medroxyprogesterone: Used for amenorrhoea and certain bleeding disorders; injectable forms exist for some indications.

Dydrogesterone is noted for minimal androgenic, oestrogenic or glucocorticoid effects compared with some older progestins, which may favour its use in fertility contexts.

Selection should be individualised for breastfeeding mothers, patients with thrombosis risk or mood disorder history.

Frequently Asked Questions

• Is dydrogesterone safe in early pregnancy? Evidence supports use for specific indications such as habitual abortion and threatened miscarriage protocols with generally favourable safety data, but specialist review is recommended.
• Can I drive while taking dydrogesterone? There is no routine driving ban, but avoid driving if you experience dizziness or excessive tiredness.
• Can I breastfeed while taking progestogens? Progestogens are generally compatible with breastfeeding; discuss with your clinician.
• How can I get it at lower cost? Check current PBS listings on Services Australia, compare prices at major pharmacy chains and ask your pharmacist about alternatives or assistance programs.

Always verify up-to-date regulatory and reimbursement status on the TGA and Services Australia websites before making purchasing decisions.

Guidelines For Proper Use

Clear pharmacist counselling improves adherence and safety.

• Explain the indication and exact dosing schedule as prescribed.
• Give missed-dose instructions: take as soon as remembered unless it is almost time for the next dose; do not double up.
• Storage: store below 30°C away from moisture and heat.
• Common side effects to mention: breast tenderness, headache, nausea, spotting and fatigue.
• Urgent care triggers: sudden breathlessness, chest pain, unilateral leg swelling, severe abdominal pain or jaundice.

For telehealth e-prescriptions and rural dispensing, document informed consent and ensure clear follow-up plans are in place.

Pharmacist Script Template:

1. Hello, I will go through why this medicine is prescribed and how to take it safely.
2. Take the tablet as prescribed; if you miss a dose take it when you remember, but do not double your next dose.
3. If you experience worrying symptoms such as signs of clotting or severe liver symptoms, seek urgent care and contact your prescriber.
4. Keep a note of any side effects and report adverse events to the TGA via the Health Professional or consumer reporting portal.

Encourage patients to verify PBS and TGA status for the latest registration and subsidy information.

Delivery Across Australia