unprotected sex before ovulation- pregnancy symptoms

hello- i am 27 yrs old and recently had unprotected sex 2 days before my ovulation days. It lasted about 30 seconds and he withdrew but it is now 2 weeks later and my breasts are swollen and sore. That is a usual occurence every month, however, as a premenstrual symptom. i have no other symptoms and it feels like my period. Should i be concerned? How soon can i start getting symptoms?

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