DS is almost 10 weeks old now. In the last 2 we...

DS is almost 10 weeks old now. In the last 2 weeks he gained 170g. He also was vaccinated 2 weeks ago. Now I know the weight gain isn't optimal but he also grew 1cm in the last 2 weeks. Now my problem is the chn is having a go at me for his poor weight gain but she is ignoring the fact that he is growing. Has anyone else experienced this? Should I just stop breastfeeding and put DS onto formula?