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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Having Unprotected Sex While Being On Rigevidon For A Week For The First Time Cause Pregnancy?

Hi! I am first time taking Rigevidon (21 tab.). Started on day one of my period and keep taking the pill daily at a fix hour. I had unprotected sex on day 7 since being on the pill.... is any chance of getting pregnant? I am very scared..Some people say you are protected straight away, some say after the first blister, or a month later... I ve read the leaflet, but couldn t find the answer. I am 26, 1.75 cm, 62 kg, generally healthy, had operation on the right knee but long ago, wearing glasses just for tv and PC.
Thu, 30 Jan 2014
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OBGYN,  's  Response
Hello
Thanks for writing to us with your health concern.
During the first month of oral contraceptive pill use, for practical purposes, consider yourself as unprotected against pregnancy.
Particularly in the first week of pill usage, the hormones have just not yet started kicking in and exerting the effect.
Hence, some kind of backup contraception is always recommended during the first initial month or two of pill usage.
Right now, you can take an emergency contraceptive pill ( ECP ) to increase the protection against pregnancy.
The side effects would no doubt be enhanced due to the double hormonal dosage.
Also your period might get irregular, this is because with ECP the normal cycle can be preponed or postponed to a great extent.
USe an ECP right now if it has been less than 120 hours since unprotected sex.
Continue using condoms for the rest of the month, until the next pill pack is started.
All the best.
Take care.
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Can Having Unprotected Sex While Being On Rigevidon For A Week For The First Time Cause Pregnancy?

Hello Thanks for writing to us with your health concern. During the first month of oral contraceptive pill use, for practical purposes, consider yourself as unprotected against pregnancy. Particularly in the first week of pill usage, the hormones have just not yet started kicking in and exerting the effect. Hence, some kind of backup contraception is always recommended during the first initial month or two of pill usage. Right now, you can take an emergency contraceptive pill ( ECP ) to increase the protection against pregnancy. The side effects would no doubt be enhanced due to the double hormonal dosage. Also your period might get irregular, this is because with ECP the normal cycle can be preponed or postponed to a great extent. USe an ECP right now if it has been less than 120 hours since unprotected sex. Continue using condoms for the rest of the month, until the next pill pack is started. All the best. Take care.