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Table 3 Fewer litters born to dams fed a high fat diet survived until 2 weeks of age

From: Maternal high fat diet compromises survival and modulates lung development of offspring, and impairs lung function of dams (female mice)

Outcome

LFD

HFD

First pregnancy

 Litter survival (n)

9/14

2/14*

 Pups per litter (n)

2.9 ± 0.6

4.0 ± 1.0

 Male pups per litter (n)

1.4 ± 0.4

1.0 ± 1.0

 Female pups per litter (n)

1.3 ± 0.4

3.0 ± 0.0

Second pregnancy

 Litter survival (n)

7/8

2/8*

 Pups per litter (n)

4.7 ± 0.6

3.5 ± 0.5

 Male pups per litter (n)

1.9 ± 0.4

1.0 ± 0.0

 Female pups per litter (n)

2.9 ± 0.5

2.5 ± 0.5

  1. *p < 0.05, compared with dams fed a LFD (using Fisher’s; Exact Test)
  2. From 4 weeks of age, C57Bl/6 J female mice (n = 28) were separated into 2 treatment groups and fed either a low fat diet (LFD, n = 14) or high fat diet (HFD, n = 14). Female mice were first mated with C57Bl/6 J male mice after dams had been fed either diet for 12 weeks. Three weeks later, offspring were born. Dams were re-mated 1 week after their first litters were removed at 2 weeks of age. The numbers of offspring (male or female) per litter are reported for pups that survived until 2 weeks of age. Data are shown as mean ± SEM