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Subfertility is said to exist when a pregnancy has not occurred after at least 1 year of engaging in unprotected coitus.
The terms subfertility and infertility are often used interchangeably, but they aren’t the same. Subfertility is a delay in conceiving. Infertility is the inability to conceive naturally after one year of trying.
In subfertility, the possibility of conceiving naturally exists, but takes longer than average. In infertility, the likelihood of conceiving without medical intervention is unlikely.
According to research, most couples are able to conceive spontaneously within 12 months of having regular unprotected intercourse.
Most of the causes of subfertility are the same as infertility. Trouble conceiving may be due to problems with male or female infertility, or a combination of both. In some cases, the cause is unknown.
Ovulation problems
The most common cause of subfertility is a problem with ovulation. Without ovulation, an egg isn’t released to be fertilized. There are a number of conditions that can prevent ovulation.
Fallopian tube obstruction
Blocked fallopian tubes prevent the egg from meeting the sperm. It can be caused by endometriosis, pelvic inflammatory disease (PID) scar tissue from a previous surgery, such as a surgery for ectopic pregnancy
a history of gonorrhea or chlamydia
Uterine abnormalities
The uterus, also called the womb, is where your baby grows. Abnormalities or defects in the uterus can interfere with your ability to get pregnant. This can include congenital uterine conditions, which are present at birth, or an issue that develops later.
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