It was confirmed on Sunday that the 20-year-old, who has played twice for the Reds this term in the Continental League Cup, will spend the rest of the campaign with the Hammers.
Ramsey also headed out on loan last season when she moved temporarily to Sheffield United.
u2139ufe0f We can confirm Emily Ramsey has joined West Ham on loan for the remainder of the 2020/21 campaign.
Best of luck for the rest of the season, Emily! ud83dudcaa pic.twitter.com/xQFe06t6oM — Manchester United Women (@ManUtdWomen) March 7, 2021West Ham are currently locked in a relegation battle near the bottom of the WSL and are 11th in the table.