Postpublished at 17:34 British Summer Time 13 August 2014
England marmalise Ireland at a scrum but when Alex Matthews takes the ball into contact she is held up by the ferocious Irish defence - it's a turnover, but that means another scrum...
F-T: Ireland 7-40 England
England tries: Clark, Merchant, Wilson & Packer (2)
England reach fourth final in a row
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France play Canada in other semi-final (kick-off 19:45)
James Standley
England marmalise Ireland at a scrum but when Alex Matthews takes the ball into contact she is held up by the ferocious Irish defence - it's a turnover, but that means another scrum...
Try scorer Rochelle Clark, 33, now has 20 international tries- not bad for a prop. She's also England's second-most capped player - this is her 94th cap.
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Former England scrum-half Amy Turner: "An almost identical score as the Irish. It was great pressure from England - they kept their phases. Clark will be so stoked having scored in the semi-final."
England do to Ireland what the Irish did to them. Ireland manage to halt the initial drive but England keep it in the forwards and come again.
Maggie Alphonsi is driven back for the second time in the match - that doesn't happen often - but the pressure finally tells as prop Rochelle 'Rocky' Clark burrows over.
Emily Scarratt cannot convert a tricky kick, so Ireland lead by two.
Superb Irish defence - bodies flying into contact all across the pitch - but although they hold out it's throw to England five metres out.
Here come England as full-back Danielle Waterman embarks on a swerving 40m run to ger England into the Irish 22, but a couple of phases later she loses the ball 10m from the line and Ireland clear.
Toniwater:, external The GIG play a lot like Leinster do, hard phases & they usually pay off & have now!! Great stuff girls! Foot to the floor now!
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Former England scrum-half Amy Turner: "You could not clearly see the ball was over the line, but you can't argue with the ref. Credit to Ireland though - they had lots of possession. It was a great kick from Niamh Briggs for the conversion."
Ireland win the line-out and launch a churning drive - hard to see the ball but they're over the line and claiming the try!
It was a tremendous drive - good low body positions, nice shift of the ball to get the drive going, but the ref says she cannot see the ball...
And the TMO says it is a try! The ref asked if there was any reason she could not award the try, and the TMO saw nothing to prevent it being awarded.
I'll be honest, it was hard to see who scored that but I'm pretty sure it was a forward in green. Yeah. Niamh Briggs strokes over the conversion, what a start for the Irish.
Big second row Sophie Spence is prominent for Ireland as they come in waves after a half-break from outside centre Lynne Cantwell.
They are a metre out and it's a penalty advantage...
Spence gets her hands on the ball once again and tries to drive over but is stopped inches short - the Irish kick the penalty into the corner.
Ireland are making a right mess of the England line-out - Irish second rows Sophie Spence and Marie Louise Reilly have had aerial supremacy through the tournament.
But England have had the better of the scrums, and a forward pass means Ireland have the put-in at another engagement...
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Former England scrum-half Amy Turner: "Both teams are playing rugby, playing positively and want to get into each other's half by playing hard phases."
Glimmer of a chance for England but Emily Scarratt holds on with Kay Wilson potentially free outside her.
When Ireland counter there are huge oohs and aahs as Sophie Spence thunders into Rochelle Clarke but the Irish attack comes to an end as England 10 Katy Mclean gets over the ball at a ruck to win the penalty.
Bright start from both sides.
Big drive from England at the first scrum wins the ball back and they spin it left and right, but a spilled pass inside the Irish 22 brings the attack to a halt.
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Former England scrum-half Amy Turner: "It was a strange start from England - there was no communication from the kick off. England need to be tight and clinical in every part of the game."
Good drive from the English forwards into midfield but the Irish get out the choke tackle so beloved of the Irish men and it's a turnover - scrum Ireland on the English 10m line, centre field.
Here we go then, Niamh Briggs to get things under way for Ireland...
Lloyd Hamilton:, external Will be paying attention to this game from Berlin. Have to fancy Ireland to win after such a strong showing against All Blacks!
Black Ferns Lloyd, the New Zealand women are called the Black Ferns. The NZ basketball team is called the Tall Blacks btw.
Ireland field the same XV that stunned New Zealand earlier in the tournament, while England have made six changes from the XV that drew with Canada, including the return of captain Katy Mclean at fly-half.
Centre Emily Scarratt, a classy distributor who also kicks the goals and stands 5ft 11in, could well have a big impact on today's match.
Ireland rely a great deal on full-back Niamh Briggs, goal-kicker, counter-attacker and brick wall defender.
Her opposite number is Danielle Waterman, less impressive with the boot but just as incisive on the attack.