Get Involvedpublished at 15:12 British Summer Time 16 October 2016
#bbccricket
CRICKETher: Interesting. We know Taylor prefers to chase - but she has obviously realised England struggle when chasing. Can they change that today?
West Indies 223-6 (won toss)
WI captain Stafanie Taylor hits 84 & takes 3-22
Eng slump from 161-4 to 181 all out
Beaumont 57, Winfield 51
Series now level at 2-2
Mark Mitchener and Alan Jewell
#bbccricket
CRICKETher: Interesting. We know Taylor prefers to chase - but she has obviously realised England struggle when chasing. Can they change that today?
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In other words - the BBC Sport website (ie this very page) will have commentary on the entire game - so stick with us!
BBC Radio 5 live sports extra will join in at 16:00 BST, but then disappear at about 17:25 for rugby union coverage of Exeter v Clermont - returning at about 19:30 for the conclusion of this game.
West Indies captain Stafanie Taylor tells TMS: "With the way it played in the previous game it seems like a good batting wicket.
"We dropped too many catches [on Friday] and that's something we'll need to improve."
By the way, if you're wondering why England's women don't qualify automatically as hosts for their 2017 World Cup, while England's men do get an automatic slot for the 2019 World Cup as hosts... answers on a postcard to the International Cricket Council!
As I mentioned, England have the added incentive of knowing they will secure qualification for the 2017 World Cup if they win here and in the final match on Wednesday, as the final three matches in this series count towards the ICC Women's Championship.
Victory in the third ODI on Friday moved England up to second in the championship, with the top four teams qualifying for the 2017 World Cup in England.
If they don't clinch it in Jamaica, England will need to win a game or two in their three-match series in Sri Lanka next month.
England captain Heather Knight tells TMS: "Yeah, we were going to have a bat [if we'd won the toss] but we bowled brilliantly the other day and our fielding was excellent.
"It's obviously been slightly harder to chase on these on wickets but we bowled brilliantly on Friday and we'll look to do that again."
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News is... West Indies have won the toss and will bat first. Both sides are unchanged.
Click here, external to watch TMS's Facebook Live from the toss.
Afternoon, everyone. Looks like it's another belting day in Kingston, where England's women are ready for their fourth ODI against West Indies.
The tourists lead 2-1, so a win today would give them an unassailable lead in the series. But more importantly, it would leave them on the brink of clinching qualification for next summer's World Cup on home soil.