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Depo-provera injection and missed periods - Online Doctor Chats

Date : 13-Jan-2012
User rating for this question
Very Good Posted in: Birth Control
Answered by

General & Family Physician
Practicing since : 2009
Answered : 638 Questions
Doctor :   hi
User :   Hello
Doctor :  
how can I help you?
User :   I have a couple questions about my girlfriend's Depo-Provera injection.
Doctor :  
ok
User :   She received the injection approx. one month ago, three days before her expected period, and she has not had her period yet, is this reason for concern?
Doctor :  
no
Doctor :   Provera can lead to menstrual disturbances
Doctor :  
especially in first month of use
User :   It's also to my understanding that Provera can lead to tiredness, and she has experienced tiredness for the past couple of weeks, and a couple other symptoms that mimic those of pregnancy, such as, tiredness, slight abdominal cramping, and nausea a couple of times. As before, is this a common occurrence with women?
Doctor :  
the side effects vary from person to person, also the symptoms mentioned by you are some of the common side effects of the Provera
Doctor :  
are you concerned about pregnancy?
User :   Yes.
Doctor :  
ok
Doctor :  
when was her last date?
User :   Last date of menstruation?
Doctor :  
yes
User :   April 14-16, I cannot pinpoint an exact date. She was expected to have her period on May 14-16, but received the injection May 12th, and has not had her period.
Doctor :   ok

Doctor :  
where she had injection?
Doctor :  
in supervision of some doctor?
User :   Yes.
Doctor :  
ok
User :   It was in supervision of her pediatrician
Doctor :  
dont worry
Doctor :  
what is her age?
User :   They administered a pregnancy test which was negative, the day of the injection.
User :   She is 21.
Doctor :  
ok
Doctor :  
was that urine pregnancy test?
User :   Yes.

Doctor :  
ok
Doctor :  
does she has any signs of infection like foul smelling discharge, itching, pain in lower back?
User :   No, none that I'm aware of.
Doctor :  
ok
Doctor :  
dont worry
Doctor :  
pregnancy is an contraindication for the depo provera injection
User :   Could you please explain that a little further, in terms of contraindication?
Doctor :  
if she were pregnant than by this time she might have severe symptoms
Doctor :  
yes let me explain you
Doctor :  
if she was pregnant before injection then by today she might have experienced severe symptoms, also
Doctor :  
the failure rate of provera is less than 0.5%
Doctor :  
also
Doctor :  
in first month of the injection the menstrual abnormalities are common may say more than 70% chances
Doctor :  
so need not worry
User :   Okay, thank you, and I have one final question/concern.
Doctor :   plz proceed
User :   If she received the injection three days before expected menstruation, what happened to the egg that was in the uterus, assuming there was an egg there? If she has not had a period, what happens to the egg? Can this egg be fertilized?
Doctor :   a normal menstrual cycle is of 28 days, start counting from the first day of menstruation, on day 14 there will be ovulation, and an ovum will remain alive for 24 hours only, an sperm can remain alive for 72 hours, so three days before her menstrual cycle she might not had ovulation

Doctor :   by that time ovum might have died

User :   And the injection became effective the day of administration, or does it take a period of time to become effective?
Doctor :   it takes some time
User :   We had intercourse four days after the injection, but without ejaculation inter-vaginal.
User :   So I'm assuming that the shot would have been effective around that time, or shortly after.

Doctor :   yes

User :   Okay, thank you.
User :   That is all, and thank you for your guidance.
Doctor :  
was i able to clear all your doubts?
User :   Yes, very much so.
Doctor :  
Please fill the feedback form
User :   Thank you.
Doctor :  
Thanks for consulting HealthcareMagic. Bye for now. Please refer your friends to our service.
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