Watch 4 week old babies in these baby update diaries. Vloggers share their updates, progress and milestones.
Follow baby development month by month through their first year of life, milestones, how they develop, tips for other parents and what to expect
It’s perfectly possible to combine breastfeeding with bottle feeding using formula milk or expressed breastmilk. If you can, wait until your baby’s at least eight weeks old. Combining breast and bottle sooner than this may affect your milk supply.