The most recognisable modern clown character is the Auguste or red clown type, with outlandish costumes featuring distinctive makeup, colourful wigs, exaggerated footwear, and colourful clothing. Their entertainment style is generally designed to entertain large audiences, especially at a distance.
It's not possible to feel symptoms just one week after sex. It takes the female body about 2 weeks to produce the hormones that make you feel those symptoms. My first pregnancy it took me 2 MONTHS to even get any symptoms which were breast tenderness, missed period of course, and a little weight gain. It is not likely.
To hedge your bet, have sex frequently starting 3 days before ovulation and continuing for 2 to 3 days after you think you've ovulated. Lie low after sex? It has long been believed that you should stay in bed for at least 15 minutes after sex to give sperm a chance to reach the egg.