if you had that discharge for 1-2 days and not like normal duration as your periods then it can be implantation bleeding...if your still confused wait untill this week then take a test next week...early morning test would be more accurate..
21 days means der are high chances you can be pregnant...in cycles less than 25 days you may ovulate around 10 days or so...so just after your periods finish you may ovulate and sperm can live around even a week inside the uterus...
Many women begin noticing slight symptoms within a day or two of implantation, which usually occurs 7-10 days after conception (not necessarily the same as 7-10 days after love!). The pregnancy hormone, HCG, is not present in the bloodstream until after implantation, and sometimes can be detected by an early home pregnancy test as soon as 10 days past ovulation if pregnancy has occurred. After implantation, some women begin to feel the typical signs of early pregnancy -- sore breasts, slight nausea, etc. A friend of mine swears she always knew she was pregnant before she missed her period because her sinuses started acting up for no reason with all three of her pregnancies several days before her period was due. It's really very different for every woman. Still, developing symptoms at one week past conception seems very unlikely.
Print Morning Sickness will often show up 2-8 weeks after conception. Pregnancy symptoms differ from woman to woman and pregnancy to pregnancy; however, one of the most significant pregnancy symptoms is a delayed or missed period. Understanding the signs and symptoms of pregnancy is important because each symptom may be related to something other than pregnancy. You may experience signs or symptoms of pregnancy within a week of conception. However, it is possible you may not experience any symptoms for a few weeks. Symptoms to watch for early on include a missed period, headaches, tender breasts, nausea and lower backaches. If you have been loveually active and are experiencing any of these symptoms,
The American Pregnancy Association encourages women to learn about the fertility awareness method of tracking cycles and then combine that with ovulation predictor kits to best understand when you are ovulating. The Association estimates that this is anywhere between 11-21 days since the last menstrual period (LMP), or 12-16 days from when you expect the next menstrual period to start