By comparison 60 to 80 women out of who use no birth control will become pregnant. Preventing a sexually transmitted infection STI is not a concern. You are not having menstrual periods. Use a tracking chart with either Fahrenheit temperatures or Celsius temperatures to keep track of your temperature.
Test the "stretchiness" of the mucus by putting a drop of it between your finger and thumb.
To find the last day that you are likely to be fertile, subtract 11 from the number of days in your longest menstrual cycle. If you are want to use Fertility Awareness, please seek additional information from the resources listed at the end. Call Now Passed out fainted Very weak can't stand You think your child has a life-threatening emergency Call Doctor or Seek Care Now Could have been caused by sexual abuse Moderate vaginal bleeding soaking 1 pad or tampon per hour for 6 or more hours Pale skin and new onset Skin bruises, nosebleed, or other bleeding not caused by an injury Vaginal bleeding of unknown cause before puberty.
Just before and during ovulation, you will have more cervical mucus. If you answer "no" to both questions on any day, you are not likely to get pregnant. Skip Navigation. Overall, almost half of all pregnancies and 75 percent of pregnancies in women over 40 years of age are unplanned. You are worried about a sexually transmitted infection STI You have other questions or concerns.
When monitoring your mucus, do not douche as it washes away the secretions. Make a chart showing each month and how many days from one menstrual cycle to the next. Also, a woman does not always ovulate right in the middle of her cycle.
In the example above, your fertile period is from day 8 to day 20, so protect yourself from becoming pregnant for these 12 days of your cycle. Take some medicines, such as aspirin. In this example, the shortest cycle is 26 days and the longest is 31 days.