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Doctor insights on: Pregnancy Categories A B C D

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What does "pregnancy category c" medications mean?

What does  "pregnancy category c" medications mean?

Slightly higher risk: Medication pregnancy class c means that: animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks. Almost all drugs are class b or c and they can be used if the benefit outweighs the risks. Best wishes. ...Read more

Dr. Tiffanie Noonan
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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What does category c mean for pregnancy risk?

What does category c mean for pregnancy risk?

No human studies: There are animal studies showing adverse risk to the fetus but no human studies are available. ...Read more

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What is the pregnancy drug category for gamunex?

What is the pregnancy drug category for gamunex?

Category C.: Reproduction studies have not been conducted. Immune globulins cross the placenta in increased amounts >30 weeks. Intravenous Immune Globulin has been recommended for use in fetal-neonatal alloimmune thrombocytopenia and pregnancy-associated itp. May also be used in postexposure prophylaxis for rubella (within 72 hours) to reduce the risk of infection and fetal damage in exposed pregnant women. ...Read more

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Why is amoxicillin classed as pregnancy category (a) in australia and category (b) in america? Is amoxicillin made with different ingredients in au?

Why is amoxicillin classed as pregnancy category (a) in australia and category (b) in america?  Is amoxicillin made with different ingredients in au?

Amoxicillin: Do not know the reason for the difference in classifications between the two countries, but both have outstanding health care systems. There is no evidence to suggest that Amoxicillin will harm a fetus when given to a pregnant woman, but double blind comparative trials have not been done. There are no reports in case studies to suggest any danger. ...Read more

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I just finished taking 3 different prescriptions that have a pregnancy category b rating. How long should I wait before trying to conceive again?

I just finished taking 3 different prescriptions that have a pregnancy category b rating. How long should I wait before trying to conceive again?

Any Time: Category b is a very safe medication class in pregnancy. Generally, you want to avoid any medications during the first trimester if at all possible, but if you must take something, cat. B is preferable. ...Read more

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Is amoxicillin safe during the first trimester of pregnancy? Some sites say amoxicillin is a category a (in australia) and some say its a category b?

Is amoxicillin safe during the first trimester of pregnancy? Some sites say amoxicillin is a category a (in australia) and some say its a category b?

Amoxicillin: In animal studies Amoxicillin did not cause any problems when given in large doses to pregnant rats and mice. The antibiotic has not been studied in pregnant women, but case reports suggest that Amoxicillin does not increase the risk of birth defects or miscarriages. If you are taking Amoxicillin and pregnancy occurs, let your healthcare provider know. Have a great baby. ...Read more

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Is terconazole safe to use during 2nd trimester of pregnancy? It's labeled in category c, which scares me.

Is terconazole safe to use during 2nd trimester of pregnancy? It's labeled in category c, which scares me.

Probably: I'm sorry I can't be more definite, but the second trimester is a relatively safe time to take any medication and there a no known issue with this class of medication. Category C simply means there is very little information available, either good or bad. If you have a proven yeast infection and symptoms are severe, it is a reasonable medication. ...Read more

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I am 25 weeks 4 days pregnant. Suffered from loose motion. Took half tablet(200mg) of norflox tz. Is it harm my unborn baby? Pregnancy category C.plz

I am 25 weeks 4 days pregnant. Suffered from loose motion. Took half tablet(200mg) of norflox tz. Is it harm my unborn baby? Pregnancy category C.plz

Fluoroquinolones: Norfloxacin has been reported to cross the blood-placenta and blood-milk barrier, and is extensively distributed into the fetal tissues. Fluoroquinolones are contraindicated during pregnancy due to the risk of spontaneous abortions and birth defects. The fluoroquinolones have also been reported as being present in the mother’s milk and are passed on to the baby. ...Read more