Table 1 Number of individuals histologically processed and number of oocytes measured (number of females used to measure the oocytes) for each population and collection date

Sep 06

12

263 (6)

10

186 (6)

15

289 (7)

Oct 06

11

159 (4)

9

215 (5)

24

284 (7)

Nov 06

11

103 (2)

6

180 (4)

25

219 (6)

Dec 06

12

105 (5)

9

236 (6)

19

268 (6)

Jan 07

14

311 (6)

9

119 (3)

14

248 (6)

Feb 07

16

256 (6)

15

251 (5)

20

267 (6)

Mar 07

8

204 (4)

16

318 (7)

13

250 (5)

Apr 07

14

266 (9)

10

140 (3)

7

250 (5)

Jun 07

8

160 (4)

10

100 (2)

NS

Jul 07

NS

NS

12

285 (7)

Aug 07

13

253 (6)

19

272 (7)

14

251 (5)

Sep 07

14

279 (7)

14

287 (7)

12

217 (5)

Oct 07

17

180 (5)

14

266 (6)

14

252 (5)

Nov 07

16

251 (6)

14

225 (7)

8

196 (4)

Dec 07

15

224 (6)

5

77 (2)

10

248 (6)

Jan 08

16

237 (6)

15

281 (6)

11

231 (6)

Feb 08

16

300 (6)

14

250 (5)

13

292 (7)

Mar 08

10

207 (5)

17

121 (3)

13

150 (3)

Apr 08

20

253 (7)

NS

13

258 (6)

May 08

NS

17

395 (8)

NS

Jun 08

11

228 (5)

NS

10

192 (5)

Aug 08

8

151 (5)

16

238 (6)

13

256 (5)

Sample size

262

4,390

239

4,157

277

4,903