Gradient’s parameters: 
The second copy has the white color:
The third copy must be colored in
#59B1D5:
The forth copy is of this color:
#AE96B0
We shall make copy of the earlier made layer of the first ellipse and select the
Free Transform option to change the sizes. The copy must be placed the way it is indicated below:
Make five copies of the last made layer the same way we did before. Apply again the
Free Transform option to change the copies’ sizes and their placement on the picture:
The first copy is white:
