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Table 1 The preimplantation genetic testing outcomes of the 36 families

From: Using affected embryos to establish linkage phase in preimplantation genetic testing for thalassemia

Family

Cycles

Embryo state

PGT results

Pregnancy results

Genetic testing

PGT

FET

Oocyte

MII

2 PM

Cleavage

Blastocyst

Biopsy blastocyst

Unaffecteda

Transferrableb

CP

LB

PGT-M

Amniocentesis

After born

1

1

1

26

25

18

17

12

9

6

3

1

1

Wild type

Wild type

Wild type

2

1

1

22

17

15

15

8

8

6

4

1

1

Heterozygote

Heterozygote

Heterozygote

3

1

1

13

12

10

10

6

3

2

1

1

1

Wild type

NA

Wild type

4

1

1

11

10

9

9

7

5

2

2

1

1

Wild type

NA

Wild type

5

1

1

12

12

11

11

11

9

6

3

1

1

Heterozygote

Heterozygote

Heterozygote

6

1

2

15

14

12

11

10

7

6

2

1

1

Heterozygote

Heterozygote

Heterozygote

7

1

1

24

20

15

14

8

4

4

1

1

1

Heterozygote

Heterozygote

Heterozygote

8c

2

2

44

31

21

21

15

8

6

4

1

1

Heterozygote

NA

Heterozygote

9

1

2

35

27

21

21

16

6

6

6

1

0

Wild type

Miscarriage

NA

10

1

1

28

16

11

11

7

4

1

1

1

0

Wild type

Miscarriage

NA

11

1

1

15

11

10

10

6

5

3

2

1

1

Wild type

Wild type

NA

12

1

3

21

16

13

13

7

4

4

3

1

1

Heterozygote

NA

Heterozygote

13

1

2

26

20

16

16

13

9

7

5

1

1

Wild type

Wild type

NA

14

1

2

7

5

4

4

3

3

1

1

0

0

Heterozygote

NA

NA

15d

2

1

48

36

29

29

23

11

7

2

1

2

Wild type

NA

Wild type

16

1

1

19

12

9

9

7

4

3

2

1

1

Heterozygote

Heterozygote

NA

17

1

0

6

4

3

3

3

2

0

0

0

0

NA

NA

NA

18

1

1

19

10

4

4

4

3

2

2

1

1

Heterozygote

Heterozygote

NA

19

1

3

40

33

27

27

24

15

11

11

1

1

Heterozygote

NA

Heterozygote

20

1

2

25

21

13

12

10

4

4

3

1

1

Heterozygote

NA

Heterozygote

21

1

1

19

14

13

13

9

8

8

4

1

1

Wild type

Wild type

NA

22

1

1

19

13

10

10

8

5

5

3

1

1

Heterozygote

Heterozygote

NA

23

1

1

29

27

25

25

19

6

4

4

1

0

Heterozygote

NA

NA

24

1

1

16

15

15

14

10

7

4

4

1

1

Heterozygote

Heterozygote

NA

25

1

1

19

19

19

18

8

5

3

2

1

0

Wild type

Miscarriage

NA

26

1

2

8

7

4

4

4

4

4

4

1

0

Wild type

Miscarriage

NA

27

1

2

11

9

8

8

5

6

5

3

1

0

Wild type

Miscarriage

NA

28

1

1

11

11

7

7

3

3

2

1

0

0

Wild type

NA

NA

29

1

2

17

13

8

8

8

5

3

3

0

0

Wild type

NA

NA

30

2

4

47

40

33

33

16

10

7

6

2

0

Wild type

Miscarriage

NA

31c

2

3

27

26

14

14

8

7

6

5

1

1

Heterozygote

Heterozygote

Heterozygote

32

1

2

21

15

13

13

11

6

5

5

1

1

Heterozygote

Heterozygote

Heterozygote

33

1

0

15

14

12

12

3

3

1

0

0

0

NA

NA

NA

34

1

1

12

11

11

11

11

9

7

7

1

1

Wild type

NA

Wild type

35c

2

1

28

28

20

20

9

4

4

1

1

0

Heterozygote

Heterozygote

NA

36

1

1

22

17

16

15

8

6

5

2

1

0

Heterozygote

Heterozygote

NA

  1. PGT preimplantation genetic testing, FET frozen embryo transfer, CP clinical pregnancy, LB live birth, NA not applicable
  2. aUnaffected embryos, including non-carrier and carrier embryos
  3. bTransferable embryos diagnosed as unaffected and euploid
  4. cOnly two biopsied blastocysts in the first cycle, and a second oocyte pick-up was performed
  5. dSingle blastocyst transfer which developed to monochorionic diamniotic