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How Effective Is Unwanted 72 In Preventing Pregnancy?

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Posted on Fri, 29 Jan 2016
Question: Dear doctor, i had unprotected sex on 23 nov and took unwanted 72 within 2 hrs. I had very light bleeding and spotting on 7 dec. a week early than expected period date (lmp 15 nov). I took pregnancy test on 28 dec ( 35 days after unprotected sex) and the reault was Bhcg <1.2. Is there a chance of me getting pregnant? Should the test be repeated to rule out pregnancy. Also, i've been having slight headache, sore breasts and nausea since yesterday. Do i need to take a bhcg test again to rule out pregnancy?
doctor
Answered by Dr. Srilatha Myaka (4 hours later)
Brief Answer:
The BHCG level less than 5 rules out pregnancy

Detailed Answer:
Hello dear,welcome to healthcare magic.I understand your concern.
In my opinion there might be no chance of pregnancy in your case.
Usually with a serum B HCG level less than 5 mIU/ml there is no scope for pregnancy.
Also the early light period seen on 7 th December could be the effect of unwanted 72.
Unwanted 72 is a emergency contraceptive pill and it is a high dose of progesterone.It causes hormonal imbalance leading to effect on the timing and bleeding of the period.ie.,the period might come earlier or delayed and the bleeding can be heavy or irregular or less than usual.
Unwanted 72 is effective in 95% if taken within 72 hours of unprotected intercourse.
As you have taken within stipulated time the chances of failure are less.
And the BHCG level also doesn't support for pregnancy.
There might not be any need for repetition of the test.
Avoid stress and wait and check for the next period.
The sore breasts,nausea and headache can be seen sometimes in the premenstrual period or due to stress induced with the thought of pregnancy.
So just relax.The chances of pregnancy are rare.
Hope this satisfies your query.
Feel free to discuss further.
Best regards...Dr.Srilatha
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Srilatha Myaka (22 minutes later)
How much time does it take for hcg levels to rise and above level 1.2 after unprotected sex ? And when can i take the test to be sure that there are no chances of pregnancy? If i had early periods, when should i expect my next periods, after 28 days of last light bleeding? Also does annovulation leads to no periods? Or if i didnt ovulate this month, can i still have pms symptoms?
doctor
Answered by Dr. Srilatha Myaka (1 hour later)
Brief Answer:
BHCG can be detected as early as 6 days after conception

Detailed Answer:
Hi there,I have gone through your query.
Here are the answers for your questions respectively:-
1)Serum BHCG level starts to appear in blood 7 days after the ovulation in case of pregnancy and gradually the level increases.In case of pregnancy the level should be more than 25 mIU/ml.
So the serum BHCG done a week to 10 days after ovulation usually gives accurate results.
Any result below 5 rules out pregnancy as in your case.
2)Test taken on 28 th December ie.,around 4-5 weeks after unprotected sex is more than enough to say that there is no chance of pregnancy as per your test.
3)In case of regular periods with no stress and no hormonal imbalance the next period is expected to come around 28 days after last lighter period.Mostly your usual pattern of cycle will follow.
But stress might make the cycle somewhat irregular in a few people.
4)Anovulation does lead to period but it is not associated with any premenstrual symptoms mostly.
5)As you have regular cycles till now there might be no chance of anovulation.
The symptoms might be mostly stress induced.
So relax dear.Nothing to worry.
Avoid stress as it causes hormonal imbalance.
Hope this satisfies your query.
Feel free to discuss further.
Best regards...Dr.Srilatha
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Srilatha Myaka (2 days later)
Thanks doctor, i remember that i had sex this month aswel. And my cycles is not regular. It varies between 29-32 days. Lmp was 7 dec. its 29 th day, n i still havent got my periods. I got my beta hcg test done today and the value was 0.101 . Is there a chance of me getting pregnant? Have i taken the test too early ? Should i repeat it in a few days to rule out pregnancy? I am really stressed with the pregnancy thing.
doctor
Answered by Dr. Srilatha Myaka (45 minutes later)
Brief Answer:
There is no chance of pregnancy

Detailed Answer:
Hi dear,
good day.
I can understand the amount of stress in your mind.
I had gone through the literature especially for a scenario like you.I am very happy to say that there is not even a single case reported till now with positive pregnancy associated with very low BHCG less than 5 IU.
Incase if you were pregnant, regular pregnancy BHCG value will be around 400IU by this time.
So you took test in a correct time and the test report is also correct.
You can take my word on this that you are not pregnant.
So please relax.There are many different conditions which can delay the period.
Among them stress appears the most common thing in your case.
Wait and check for the period.They might come within a week to 10 days.
The BHCG test is sensitive and 100% there might be no pregnancy as per your report.
Hope this satisfies your query.
Feel free to discuss further.
Best regards...Dr.Srilatha
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Srilatha Myaka (53 minutes later)
Thankyou doctor, ur assurance gives alot of relief. Also, i was noting changes in my cervical mucus. I had the XXXXXXX amount of mucus around 20th after which is started decreasing. I was dry for almost a week until yesterday there was an increase and today it further increased. Its whitish and firm in color and texture. Is this an indication for periods or anything else? Am i approaching periods or are we genreally dry before periods?
doctor
Answered by Dr. Srilatha Myaka (3 hours later)
Brief Answer:
The vaginal discharge might indicate the periods

Detailed Answer:
Hi there,I have gone through your query.
I understand your concern.In my opinion the
nature of discharge can be attributed to the menstrual changes.
The menstrual cycle can be divided into 2 phases ie.,follicular phase and secretory phase.
1)Follicular phase:-
It is under the influence of estrogen.
Here the vaginal discharge is thin,mucoid discharge and excessive in amount.
2)Secretary phase:-
It is under the influence of progesterone.
Here the vaginal discharge thick,firm and lesser in amount than follicular phase.
So considering the above explanation the vaginal discharge in your case appears to be due to hormonal change due to normal menstrual cycle.
So it might indicate periods as the vaginal discharge before periods is thick and firm.
Hope this satisfies your query.
Feel free to discuss further.
Best regards...Dr.Srilatha
Note: For further follow up on related General & Family Physician Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Srilatha Myaka

OBGYN

Practicing since :2007

Answered : 2422 Questions

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How Effective Is Unwanted 72 In Preventing Pregnancy?

Brief Answer: The BHCG level less than 5 rules out pregnancy Detailed Answer: Hello dear,welcome to healthcare magic.I understand your concern. In my opinion there might be no chance of pregnancy in your case. Usually with a serum B HCG level less than 5 mIU/ml there is no scope for pregnancy. Also the early light period seen on 7 th December could be the effect of unwanted 72. Unwanted 72 is a emergency contraceptive pill and it is a high dose of progesterone.It causes hormonal imbalance leading to effect on the timing and bleeding of the period.ie.,the period might come earlier or delayed and the bleeding can be heavy or irregular or less than usual. Unwanted 72 is effective in 95% if taken within 72 hours of unprotected intercourse. As you have taken within stipulated time the chances of failure are less. And the BHCG level also doesn't support for pregnancy. There might not be any need for repetition of the test. Avoid stress and wait and check for the next period. The sore breasts,nausea and headache can be seen sometimes in the premenstrual period or due to stress induced with the thought of pregnancy. So just relax.The chances of pregnancy are rare. Hope this satisfies your query. Feel free to discuss further. Best regards...Dr.Srilatha