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  • Q&A with Australian Health Practitioners

    Is it possible to ovulate at night and not in the day?

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    Trying To Conceive Women's Health
    I know this sounds confusing but I tried to monitor my ovulation cycle as I have irregular periods since coming off implanon and I have been using the ovulation kit. I tested in the mornings and every morning it is negative but in the late afternoon it is positive. I tested myself yesterday morning and it was negative and then at night positive and now this morning is negative. Can you tell me whats going on as it is worrying me. How can I test negative one morning then positive in the evening and then the following morning be negative again?
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    Dr Karen Osborne

    GP (General Practitioner)

    Sydney GP specialising in Reproductive & Sexual Health for both women and men. At Clinic 66, we deal with a wide range of reproductive and … View Profile

    It is possible to ovulate at anytime of day including night-time.

    However, I think you are actually asking is why your testing kits are sometimes turning positive in the evening when they are negative in the morning of the same & following day? 

    A typical ovulation kit will measure the amount of LH (Lutenising Hormone) in your urine. This would usually therefore remain positive for a few days when you get your LH surge at ovulation time so I agree that your testing kits have not shown a typical pattern.

    You do not say how long it has been since you had your implanon removed. Some times it can take a few months for the body to settle back into a regular pattern after discontinuing a hormonal method of contraception. However, it is also possible that the Implanon was masking a problem with your own natural cycle.

    I would suggest that if it has been a few months since you had your Implanon removed and you are concerned about irregular cycle not settling, it would be reasonable to visit a GP or Family Planning doctor to organise a hormone profile.

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    anna1972

    HealthShare Member

    hi,  I was on the implanon for app 8 years. I took it out every year as I was getting side effects around that time and had to get  anew one put in app every year.   I had a break from it only for app 4 months the whole time 8 years.   I had a progesterone test in april and my test came back as 18.  now I did one again and it was  only 4.  The Gyno gave me clomid 50mg in  april and now says I am not ovulating at all as I did not react to the clomid.   Do we ovulate every month. He told me to take clomid one in the morning and 2 at night and if I want a baby and this does not work I have to  go IVF.  I asked if the implanon takes time to come out of your system and he said it does not have any effect and that it is stress that is doing it to me and my age being 41.    I am upset as he said I cant fix it and if I dont react to clomid IVF is the only way. I have only been trying since april and I feel heart broken as my partner really wants to have another child.  I dont know what to do. 

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    Dr Karen Osborne

    GP (General Practitioner)

    Sydney GP specialising in Reproductive & Sexual Health for both women and men. At Clinic 66, we deal with a wide range of reproductive and … View Profile

    Hi Anna
    Unfortunately I agree with your gynaecologist that your age is playing a big factor in why you are not ovulating - your progesterone levels are low and not consistent with ovulation in those cycles (assuming the tests were done at the right time).
    Women are born with all of the eggs we will ever have and they do start to run out in our late 30s. 
    There is some useful info on the effect of age on fertility here:
    http://www.genea.com.au/Library/Been-trying-for-a-while-/Infertility/Age-and-Infertility
    You will still probably be ovulating sporadically so try and relax and have lots of sex but you should have a serious think about IVF.
    Good Luck, I hope it works out for you

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