<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?utafiti mmoja unaonyesha utumiaji wa mafuta muhimu ya lavender badala ya povidone-iodini kwa utunzaji wa jeraha la episiotomy.  <response>: one study suggests application of lavender essential oil instead of povidone-iodine for episiotomy wound care. 