The placenta continues to grow and produce more hormones.
Your breasts increase in size, and the area around you nipples begins to darken.
Your vaginal secretions are becoming thicker, whiter, and stickier: the tissues in and around you vagina are bluish from the heavier blood supply brought to nourish the baby.
Your growing uterus crowds into the space next to your bladder and you begin to urinate more frequently.
You may still have nausea, and it may be more noticable in the morning.
You may still be sleepier and more tire than usual.
Your waistline may begin to increase in size, although its unlikely.(unless this isn't your first child)
Your uterus is still small enough to lie behing your pubic bone, but it is softer, rounder, and larger now; it may feel like a small lump above your pubic bone by the end of this month.
You may gain a pound or two by the end of this month.