Every month just before my menstrual cycle I feel crap/poss menopause

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Hey ladies
I am kind of asking for your thoughts/advice
I am 43...... almost 44 and I have never really had any issues with my menstrual cycle other than slight stomach cramps and sometimes a bit of backache.
However, the last year or so in the lead up to my period I feel totally drained/zapped of alllll energy/weak as a kitten. All I want to do is sleep yet no matter how much sleep I get I still feel exhausted.

My periods themselves are not heavy at all and only last 2/3 days and I take an iron supplement and multi vits and eat quite a bit of veg and red meat so I don't think that I am anaemic.
In addition to the exhaustion, my Boobs are SO painful that I can barely wear a bra.
And then there are the horrendous mood swings. I go from wanting to murder someone to bawling my eyes out.
I then have a bad stomach when my period actually appears and the Boobs are not as painful. I have never really suffered from PMT. These symptoms now are a lot worse than anything I went through in my teens, 20's and 30's!
A couple of people have mentioned that I could be pre-menopausal. Do you think that this could be the case?
I am wondering if I should go to docs and get a blood test..
I am up to date with smears etc.

Forgot to add that I often have a blinding heacache too although this is not every month though it is always just before menstruation and not at any other time. That and the exhaustion wipes me out though.

That's how I have ALWAYS been with my cycle, and I'm 40 now.

The P in PMS is pretty extreme for me. In the few/several days before the flow itself starts, I'm utterly exhausted and could sleep for 3 straight days for seemingly no reason. I'm crabby, cranky, moody, massively swollen pink breasts, and have zero control over my emotions. And it's only gotten more intense as I've gotten older. My experience has been that this is just what PMS is, and then once the flow itself begins, I'm bloated and crampy and still exhausted, but much better emotionally.

I, too, have short but intense periods, but as I age even those are getting a bit longer. Very very heavy bleeding for the first 3 days, then basically it shuts off like a valve and merely leaks enough to annoy for the next 2. It used to only be 2 solid days, but it's up to at least 3, or even more, now.

Has anything else changed for you? Any change in contraception, diet, exercise, stress? As this is a new thing for you, if nothing has changed otherwise, I'd see the GP. Unfortunately, I've no experience with

Oops, haha sorry! Posted too soon!
That should have said:
Unfortunately I don't have any experience with menopause to tell you about myself.