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Use of antidepressants usually does not affect the urine pregnancy test results. If you suspect chances of pregnancy, look out for development of any other new symptoms. Urine pregnancy test (UPT) kits usually start showing positive results after about 20 days post-conception (roughly corresponding to about a week after your missed periods). The UPT kits are calibrated ones, so unless the hormone levels in urine reach a certain level, they do not show positive results. They can also show false negative results. Blood/serum HCG level estimation is accurate. UPT should always be done on early morning first urine sample as the concentration of pregnancy hormone HCG is believed to be highest in this sample. Look out for development of any other new symptoms suggestive of early pregnancy if pregnancy is suspected. Consider visiting your gynecologist at the earliest for thorough examination (to confirm pregnancy related changes/signs in body) and blood/serum HCG level test (to confirm/rule out pregnancy accurately). You can also consider repeating eth UPT after 7-10 days on early morning first urine sample. Take adequate rest. Drink plenty of water. Maintain healthy diet. Be in regular follow-up and monitoring of your treating gynecologist/obstetrician and report any unusual/abnormal/new symptoms immediately.
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