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It's not easy to tell if you're pregnancy in the early days. Your body can give you some subtle signs, but it's also easy to fool yourself into believing you have some of these signs even when you're not pregnant.
If you had sex last night, and are wondering if you might be pregnant, it's too early to tell whether you are. But it's possibly not too late to prevent pregnancy, as the "morning after pill" can still be effective for up to 72 hours after intercourse.
Early symptoms of pregnancy within days of intercourse are very difficult. Most home pregnancy tests cannot determine whether you are pregnant. And the early symptoms of pregnancy can be very subtle, and may be misleading.
Conception may also not have even occurred yet. Sperm can reportedly live within the vagina for up to 3 days (some sources even say 5 days), so it's even possible you might be still about to conceive if you had sex that recently. As already mentioned, research "morning after contraception" if that's not what you want.
Can you tell if you're pregnancy before you know if you've missed your period? Perhaps. Some of the changes in your body may start to occur. The small amount of vaginal bleeding called "implantation bleeding" typically occurs around 10 days after conception. For example, if you conceived on the standard 14th day of your cycle (counting from the start date of your last menstrual period), then 10 days after conception is theoretically day 24.
The list of signs and symptoms of pregnancy includes:
For details, see symptoms of pregnancy.
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