Is it true? HELP!!!! πŸ˜΅πŸ˜΅πŸ™‰πŸ™‰

Laura β€’ Been wth my hubby for 8mon. This was 1 of those love at 1st site times. He`s my King nd I`m his Queen. Dnt wnt nobody else! I`m rdy to spnd the rst of my lfe wth him.
I heard tht when yur TTC its best to wait a week after intercourse to take a pregnancy test. Is this true?