I got ultrasound but no baby is detected on my womb I missed my period for 5 months already that's why I assume I am pregnant

What is total height of a ball if its thrown downward.its time before strike ground is 2 seconds and its height is 3/4 of it total height so what is the total height?

I am 20year old not sexually active female who hasn't had a period since August of 2007. Ive been to the doctor had a ultra sound and was told I was not pregnant and everything was normal. Doctor told me it was probably just caused by stress. Its January and for two days striaght I have had a brown...

I am a mother of a 5 year old boy. Me and my boyfriend have been trying for 5 months now and it has been no luck. I do have a fibroid in my uterus but it the size of a pea. I am wondering would that be stopping from me to get pregnant again. Or is it that me and my partner just been trying to hard...