Read the following article and answer the question by choosing from the options.

2 weeks when your in this much pain feels like 2 years , let alone the fact that it could be causing permenant damage to my hips . So i ve got one week . One week to go into labour of my own accord . Old wives tales of self induction here i come .

What is causing so much pain to the narrator 's hips ?
Choose from:
1). None of the above choices ..
2). A blow to the head ..
3). A weight gain ..
4). A pending child .....A:
4).