TTC late period. Negative tests ):

Ky 8-15-17👼🏼 & 10-28-17👼🏼 Pregnant with my🌈💕
Me and my husband had it planned months in advance to start trying for our first baby next week. But I was supposed to get my period on Monday and it still hasn't shown /: with negative pregnancy strip tests. And ive been having creamy CM. We did have sex this past month 3 times and he ejaculated in me each time. But the tests show negative so I doubt I'm pregnant. Has anything like this happened to you? And if so was there a way you Made your late period come? I'm so upset ): the time we plan on trying for a baby my period had to be 5 days late. Whenever it's been on time like clockwork /: