The changes that take place during the short span of human pregnancy are profound. Many of these changes occur soon after fertilization and continue throughout the entire pregnancy. Most of these incredible adaptations are in response to the growing fetus and the hormonal changes the fetus produces in its mother.
Changes…Start at 4-5 Weeks of Pregnancy
Most women will notice subtle changes as early as four to five weeks of pregnancy.
The first changes to be noticed are:
- Breast tenderness (sometimes with nipple discharge);
- Heightened sense of smell (your favorite food or perfume may be intolerable);
- Nausea with or without vomiting (this is called morning sickness, but often this problem can occur throughout the day);
- Increased frequency of headaches;
- Increased frequency of heartburn; and
- Pelvic cramping or tenderness.
Usually these conditions go away spontaneously around 14 to 16 weeks of pregnancy.