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The Pearl Index, also called the Pearl rate, is the most common technique used in clinical trials for reporting the effectiveness of a birth control method. It is a very approximate measure of the number of unintended pregnancies in 100 woman-years of exposure that is simple to calculate, but has a number of methodological deficiencies.
{{Birth date and age}} – used on most biographical entries {{Birth date and age2}} – calculates age at a specified date {{Birth based on age as of date}} – used when a reference mentions the age of a person as of the date of the reference's publication {{Birth year and age}} {} {{Death date and age}} {{Death year and age}}
However, many women have shorter luteal phases, and a few have longer luteal phases. [33] For these women, the rhythm method formula incorrectly identifies a few fertile days as being in the infertile period. [19] Roughly 30-50% of women have phases outside this range. [34] Finally, calendar-based methods assume that all bleeding is true ...
The diaphragm is a barrier method of birth control. [3] It is moderately effective, with a one-year failure rate of around 12% with typical use. [4] It is placed over the cervix with spermicide before sex and left in place for at least six hours after sex.
A woman's fertility is in generally good quality from the late teens to early thirties, although it declines gradually over time. [1] Around 35, fertility is noted to decline at a more rapid rate. [1] At age 45, a woman starting to try to conceive will have no live birth in 50–80 percent of cases. [2]
In obstetrics, gestational age is a measure of the age of a pregnancy taken from the beginning of the woman's last menstrual period (LMP), [1] or the corresponding age of the gestation as estimated by a more accurate method, if available.
About two years ago, I incorporated more weightlifting into my life, focusing on building both upper body and lower body strength using machines. I observed others in the gym and tried what they ...
If left untreated in both men and women, chlamydia can infect the urinary tract and potentially lead to pelvic inflammatory disease (PID). PID can cause serious problems during pregnancy and even has the potential to cause infertility. It can cause a woman to have a potentially deadly ectopic pregnancy, in which the egg implants outside of the ...