Sustain (progesterone) and Duphaston (dydrogesterone) are very important for supporting your early pregnancy, so please do not stop taking them without consulting your doctor. While fatigue and leg cramps are common during early pregnancy, experiencing chest pain is a symptom that needs prompt medical evaluation. Please contact your obstetrician or visit the nearest healthcare facility right away to have your chest pain checked. This is a reassuring safety precaution to ensure both you and your baby remain safe and healthy.

Yes, the pelvic and lower back discomfort you are feeling can be related to your medications. Both human chorionic gonadotropin (hCG) and dydrogesterone alter hormone levels, which commonly cause mild cramping, bloating, and backaches similar to premenstrual symptoms. However, because you describe the pain as 'severe' and it has lasted for four days, it is important to contact your gynaecologist. While it could simply be a strong response to progesterone support, your doctor will want to rule out other possibilities, such as ovarian enlargement or cyst formation. Please reach out to your clinic for a quick evaluation to ensure your safety and comfort.

It is actually quite common and normal to experience mild vaginal spotting a few days after an oocyte retrieval, even while taking Duphaston (dydrogesterone) for luteal support. This spotting often occurs as your body heals from the retrieval procedure or adjusts to fluctuating hormone levels. Please try not to worry, as this is usually not a cause for concern. However, if the spotting turns into heavy bleeding, or if you experience severe pelvic pain, fever, or extreme bloating, please contact your fertility specialist right away.

Duphaston (dydrogesterone) is used to regulate cycles, but stopping it can sometimes trigger temporary hormonal fluctuations. However, your symptoms?especially the fatigue, weight gain, body aches, and irregular cycles?strongly suggest an underlying hormonal imbalance, such as thyroid dysfunction or polycystic ovary syndrome (PCOS). These conditions can easily disrupt your cycle and cause systemic symptoms. I highly recommend consulting your doctor or gynecologist for a physical exam and simple blood tests, including a thyroid panel and hormone levels, to help find the exact cause and help you feel better.

But Duphaston (dydrogesterone) and Meparate (medroxyprogesterone) are not directly interchangeable. Although both are progestogen hormones used to help start your period, they contain different active ingredients and have different strengths and dosing schedules. Swapping them without medical guidance could affect how well the treatment works or cause unexpected side effects. I gently recommend contacting your prescribing doctor before making any changes. They can easily adjust your prescription to Duphaston if it is more suitable or convenient for you.

In a 37-day cycle, ovulation typically happens later, so a 6 mm follicle on day 11 is completely normal and just needs more time to grow. It is generally not recommended to start Duphaston (dydrogesterone) before your day 16 appointment. Starting progesterone therapy too early can actually suppress follicle development and prevent ovulation from occurring. It is much safer to wait for your scheduled scan so your doctor can monitor your progress and guide you on the best timing for this medication.