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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

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How safe is Susten during pregnancy?

Answered by
Dr.
Dr. S Patra

OB and GYN Specialist

Practicing since :2011

Answered : 4048 Questions

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Posted on Tue, 7 Jun 2016 in Pregnancy
Question: My doctor has just asked me to continue taking susten 200 mg once per day till I deliver.I m 33 weeks pregnant.But if it prevents labor,how will I go into labor while on susten. Will stopping it cause the baby any other problems other than going into labor,what does susten do exactly apart from stopping labor.Does it keep the baby alive.
doctor
Answered by Dr. S Patra 57 minutes later
Brief Answer:
Susten doesn't stop your labor.

Detailed Answer:
Hello Dear,

Thanks for writing to us. Followings are my comments:

1) SUSTEN is a micronized natural progesterone supplement. It is used to support healthy pregnancy and prevent recurrent miscarriage by combating body's deficiency. It DOESN'T stop or cause problem in labor. You definitely go into labor while you are taking this medicine.

2) There are some other medicines which can stop early or premature labor. They act as uterine relaxant, but, mechanism of SUSTEN is quite different. It is also safe during pregnancy.

Hope, I have answered your query. Wish your good health and successful motherhood.

For future query, you can directly approach me through

http://doctor.healthcaremagic.com/Funnel?page=askDoctorDirectly&docId=63326

Regards,
Above answer was peer-reviewed by : Dr. Naveen Kumar
doctor
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Follow up: Dr. S Patra 3 hours later
Is susten needed to keep the baby alive.What if I stop susten at 37 weeks,will the baby die.
doctor
Answered by Dr. S Patra 3 hours later
Brief Answer:
NO. Susten can be stopped at 37 weeks.

Detailed Answer:
Hello Dear,

Thanks for follow up query.

SUSTEN is mostly needed during your first trimester or till 16 weeks to keep alive the embryo or growing fetus and for better attachment to uterine cavity.

After 36 weeks of pregnancy, SUSTEN is NOT essential as fetus will be quite mature. It can be stopped after consultation with your treating doctor if there is NO pregnancy related problem. Your baby will NOT die after stopping this medicine.

Hope, it helps to clear your confusion. Good luck and take care.

Regards,
Above answer was peer-reviewed by : Dr. Raju A.T
doctor
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Follow up: Dr. S Patra 39 hours later
Thank you for kind wishes and replies.

My original doctor who had prescribed susten says susten should be taken till end for placenta and my treating doctors here say it will relax the uterine contractions.So I m confused.

Thank you once more for your advice


I m sorry for previous question,the placenta thing is an error,I m not sure if the doctor said placenta or something else.Sorry.
doctor
Answered by Dr. S Patra 1 hour later
Brief Answer:
Susten has some relaxant effect. You can stop at 37 wks.

Detailed Answer:
Hello Dear,

Welcome back again.

Micronized progesterone (like SUSTEN) decrease contractility of uterine smooth muscle to some extent and therefore, it can be stopped at 37 weeks.

However, it is NOT a strong uterine relaxant, so effect on labor will be less if you have to continue as per your doctor's recommendation.

Hope, it helps to clear confusion. Good luck and take care.

Regards,
Above answer was peer-reviewed by : Dr. Arnab Banerjee
doctor
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