You can get pregnant for a maximum of 6 days per cycle. These are the 5 days immediately before your ovulation plus the day of ovulation itself, as sperm can survive internally for a maximum of 5 days. Recognising the fertile days is valuable information when you are trying to get pregnant, but also if that is not yet an issue for you.
Books indicate that ovulation occurs on day 14 in a 28-day cycle. But in reality, 70% of women ovulate outside the expected range of day 13-15 in the cycle. So most women do not ovulate exactly on half the cycle! But when do they? Ladies who measure with Daysy have insight into this. Very nice to see what is happening in your body and why that is. Let's look together at what your cycle looks like and how Daysy perceives it.
Basal body temperature and the hormone progesterone
During your cycle, different hormones affect your basal body temperature. At the beginning of your cycle, your body mainly produces oestrogen and you will have a relatively low body temperature. The second phase of your cycle, after your ovulation, you will see a change in your temperature curve. Your basal body temperature rises due to the hormone progesterone. So you can recognise your ovulation by a rise in your temperature, your ovulation is before the rise. That's why if your temperature is stably higher than before ovulation, you get green days.
Before ovulation, your temperature sometimes drops slightly, to rise after ovulation. When you are not pregnant, your temperature drops just before your period (usually a day or two before your period comes through). If you are pregnant, your basal body temperature remains high.
When do I have my ovulation?
Daysy shows you in the app when it expects your fertile days and ovulation. At least 5 days before your expected ovulation day, Daysy indicates red fertile days and every reading after that will confirm whether your fertile days are over or not.
Many women find that their ovulation day jumps monthly, sometimes on day 13 and sometimes on day 16. Not every cycle is the same length and ovulation will not always be at the same time. How great is it that you can accurately track that with Daysy? Especially when you want to get pregnant! Because you want to use the days shortly before ovulation and not depend on when the ovulation test turns positive, because then you might be too late. With Daysy, you can prepare yourself because you can see in the app when ovulation is expected.
Data analysis report (PDF) of Daysy measurements. Ovulation indicated by star in red dot.
I don't want to get pregnant
If you have no desire to have children, Daysy will show you perfectly when your fertile days are. These are the 5 days before ovulation, because sperm can survive a maximum of 5 days plus the ovulation day itself. So you end up with 6 fertile days per cycle. Daysy will not give you 'green light' again until your progesterone has caused temperatures to rise. That's when Daysy gives the green light! That will be different for every woman and can sometimes take a few days, as every woman has a unique course of her cycle.
To be on the safe side!
Suppose your ovulation is slightly later this month, your temperature will not rise enough yet. Daysy will then continue to give red, all to be sure! Daysy will only give the green light when she is sure that ovulation has occurred.
Many red days?
Do you have many red days (more than 8 to 9) and doubt whether you have (had) ovulation? We can look at your cycle progress together during a 1-to-1 appointment via Zoom. Our can then also give you professional advice on how to improve your cycle.
Book your appointment via this link, We will take 20 minutes to help you.
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