Annoyed by friend's dismissal of my period pain

Hi all, Sorry for the long text; I'm very upset right now.

I'm 22 weeks currently, in my mid-30s, pregnant with my first (possibly only) baby. I started going to a pelvic floor physiotherapist to start working on strengthening, preparing for birth, and essentially have a plan for postpartum recovery. This is extremely important for me because I've had traumatic experiences with menstrual pain pre-pregnancy and would do anything to avoid being in any similar discomfort after giving birth, if I can help it.

I was talking to a friend who gave birth a few months ago and telling her how impressed I was about the therapist's approach and the questions she asked to understand my condition and concerns. One of these questions was my understanding of labour pain- how does it start, progress, what will it feel like etc. I told her that I may have a vague idea about how my body processes it because I've had debilitating menstrual pain for the last 10 years. It is concentrated in my lower back and thighs, comes and goes in waves, and my body reacts by dropping BP and I faint every time if I haven't taken pain meds. In narrating this to my friend, I was just about to add that I understand the severity or degree of pain during labour is surely higher but I sort of have an idea of how my body might process it, and that is a relief in a way because I'm really no stranger to debilitating pain. I hate it and would do anything to avoid it but at least I know what it feels like.

She immediately jumped in by saying "of course period pains are nothing compared to labour, you'll see... You think you know pain, but you dont!". And obviously I know that!!!! And I don't believe labour will be easy just because I have "painful periods". I just meant to say that I will not be caught off guard and I know some things about how my body responds during a pain wave. This is going to help me chart a better plan with my physio about learning to relax in specific ways when I most need to. But after that comment, I found myself defending the intensity of my menstrual pain with her. I wasn't dismissing how intense and scary labour can be. But I've heard this narrative like Oh period pain is not even a drop in the ocean; wait till you experience labour! In both cases, the uterus is essentially performing the same action - contracting to push something out, either a baby or the uterine lining. And some bodies react to that action with more or less pain. Just like some people also have really easy/quick labours.

I am so triggered by this constant comparison and feeling like my experience of pain will only be validated if I go through labour. As if no other pain exists in the world!!! And all I said was that I understand MY body's response to pain. Ughh, I'm sure my hormones are not helping the situation right now either, but come on!!! As women, we go through so much scrutiny as we move in this world, the least we could do is not dismiss the experiences of fellow women.