This is my first and I'm terrified about this.
I've always been slim and a normal weight for my height but have a very sedentary job and would consider myself unfit. I never really excercised until we decided to try for a baby - I started walking about 20 mins daily but we got pregnant literally the first month we tried so I didn't get much excercise done as the sickness and exhaustion soon started.
So I've had 5 months of sickness, then general fatigue and rather too much weight gain and I can't even walk up the stairs in my house without feeling exhausted and my heart pounding hard in my chest. I did try to go for a 15 minute walk once during the second trimester when I started feeling a bit better but my heart felt like it was going to burst and I felt light headed and sick. My blood pressure always seems to be within the normal range whenever I see my midwife.
I keep hearing people say labour is like running a marathon and this terrifies me as there is no way I could ever have run a marathon even before pregnancy but now, it feels like something like that would kill me practically straight away.
Is it possible for an unfit body to give birth? I'm petrified that my heart won't be able to take it.
Does anyone have similar fears or have any advice or reassurance?