Regestrone contains Norethisterone, which is used as an oral contraceptive. Norethisterone is a progestin, which is a synthetic form of the hormone progesterone. The common side effects seen while taking Regestrone are weight gain, nausea, headache, fever, dizziness, spotting, abdominal cramps, and sleep problems.

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Can I be pregnant even after taking Regestrone tablets after sexual intercourse?

Query: Hello doctor, My last period was 30 days back. This month I started taking the Regestrone tablet from last week. Yesterday, I got physical, but we separated before my husband's pre cum. After that, I took the Regestrone tablet again as we had some holy rituals at home. Can I be pregnant? What are th...  Read Full »

Dr. Sameer Kumar

Answer: Hello, Welcome to I understand your concern. Yes, you may get pregnant as Regestrone (Norethisterone) is not a contraceptive pill. Therefore, you should stop taking Regestrone tablets and take an emergency contraceptive pill like i-Pill (Levonorgestrel) within 72 hrs of sexual interc...  Read Full »

Can you please suggest medicines to postpone my periods by a day?

Query: Hi doctor,I have an unavoidable family function coming up when my periods would also start.I have never used any medicine to postpone my periods.My monthly cycle is of 28 days. My periods would start on the last day of this month, which I need to postpone for a day.Could you please prescribe me some...  Read Full »

Dr. Poonguzhali Liston

Answer: Hello, Welcome to I understand your concern. Though it is possible to postpone your periods, it is not possible to just do it for a day. We give the tablet Progesterone (synthetic form) and then stop it to cause withdrawal bleeding. The bleeding usually starts after quitting the tab...  Read Full »

After how many days of Regestrone does the period occur?

Query: Hi doctor, I have a 3-year-old child. Now I want to avoid unplanned pregnancy. Usually, mine is a 27-day cycle. I got my last period 35 days ago. Till now, I have not got the period. I have not done any pregnancy tests. I started taking Regestrone tablets from last week for two days (morning and ni...  Read Full »

Dr. Poonguzhali Liston

Answer: Hi, Welcome to I understand your concern. Firstly, Regestrone (Norethisterone) has to be taken for five days twice or thrice daily. A lesser dose may not help to induce your period. The lesser dose may be the cause of your delayed period. Secondly, even after completion of dosage, it ...  Read Full »

How long should I continue Regesterone after D and C procedure?

Query: Hello doctor, I got a D and C done a month back for the endometrial polyp. The doctor told me there is uterus infection and prescribed antibiotics. After the course of antibiotics, the other doctor prescribed Regesterone10 mg for 20 days. I still have eight tablets to go, and I got my periods yeste...  Read Full »

Dr. Sugreev Singh

Answer: Hi, Welcome to I have checked your reports (attachment removed to protect patient identity), and it is suggestive of infection only, but it is chronic. It means it is there for a few weeks or months. There is no other abnormal growth. So nothing to worry about. If you were ta...  Read Full »

Got periods after taking Regestrone post unprotected sex. Is there any chance of pregnancy?

Query: Hello doctor, I and my fiancee had unprotected sex a month back. I had an orgasm before having but not during sex. She has PCOD so her periods are irregular. She went to the doctor and doctor suggested having Regestrone 5 mg three tablets for three days. She started taking it 13 days later and fini...  Read Full »

Dr. R Balakrishnan Menon

Answer: Hi, Welcome to How are you doing? As she has PCOD (polycystic ovarian disease), her ovulation date cannot be predicted. So there is always a chance of pregnancy. But as she had bleeding after having tablet Regestrone, pregnancy is not possible. Bleeding after having hormones will be ...  Read Full »

Is it normal to have nausea while on Regestrone?

Query: Hello doctor, My periods are delayed by a month and was prescribed Regestrone 5 mg twice daily for three days. How soon can I expect to start bleeding and is it normal to feel nauseous after taking that dosage? Until when is it legal to get an abortion for a woman without any complications or fai...  Read Full »

Dr. Sravanthi Nuthalapati

Answer: Hello, Welcome to As you asked, yes, it is common to have nausea after taking Regestrone pills, as it is a hormonal pill. Your periods will stop only after stopping the tablet and should be getting any time between 7-10 days after stopping it, as it varies from person to person. MTP ...  Read Full »

I have taken 15 Regestrone tablets at once. Will there be any side effect?

Query: Hello doctor, I have taken 15 Regesterone tablets at once. Now having pain. Is there any side effect of this?  Read Full »

Dr. Prabhakar Laxman Jathar

Answer: Hello, Welcome to Norethisterone is progesterone-like a hormone, usually used to correct menstruation-related problems. It is never taken in such high doses. Taking such a high dose can cause a lot of unexpected side effects, including breast enlargement, pain in the chest, nausea, bl...  Read Full »

I have PCOD, under treatment and missed a period with white discharge. Why?

Query: Hello doctor, I am 23-years-old. I have irregular periods from five years. I have PCOD problem (hormonal imbalance, delay periods) three months before I consulted a doctor and gave me Ovacet and Regestrone (day16 today 25) for two months. In these two months periods are regular. Last month I used on...  Read Full »

Dr. Sameer Kumar

Answer: Hello, Welcome to Patients with PCOD (polycystic ovarian disease) are advised low dose hormones for regularisation of cycles. In your case, you were given estrogen (Ovacet) and progesterone (Regestron) to be eaten separately. Ovacet forms endometrium and progesterone matures it into s...  Read Full »

I had sex with my partner last month and missed periods. Am I pregnant?

Query: Hello doctor, I am 35 years old and I had sex with my partner last month. My expected period date was a week later. Still, I did not get my periods. I have tried testing pregnancy strips the result was negative. I consumed Regestrone tablets for the past four days. We do not want to have a baby beca...  Read Full »

Dr. Sameer Kumar

Answer: Hello, Welcome to If the urine pregnancy test was done after eight days post missed menses was negative then you are not pregnant. However, to be double sure, you may opt for a serum beta hCG test, where if the hCG levels are less than 3 mIU, then you can be sure that you are not pre...  Read Full »

What to do if you do not get periods even after taking Regestrone?

Query: Hello doctor, My pregnancy test is negative. But my period is not coming. I checked my pregnancy five times with pregnancy kit. Every time it shows negative. But my period has not started. I take Regesterone 5 mg for three days. I took my last dose two days before but not yet got my periods. So wha...  Read Full »

Dr. Neha Singh Rathod

Answer: Hello, Welcome to Since your urine pregnancy test is negative, there is nothing to worry about. The delay could be because of hormonal changes. After taking Regesterone it will take a week or so to get your periods. So relax and do not worry. Wait for a week or so and if you do not ge...  Read Full »

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